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[reprap-commits] SF.net SVN: reprap:[4117] trunk/software/host/src/org/reprap/geometry/ polygons/AllSTLsToBuild.java

From: <adr...@us...> - 2011-04-30 10:56:34

Revision: 4117
          http://reprap.svn.sourceforge.net/reprap/?rev=4117&view=rev
Author:   adrian-bowyer
Date:     2011-04-30 10:56:28 +0000 (Sat, 30 Apr 2011)

Log Message:
-----------
Small correction to bridging code.

Modified Paths:
--------------
    trunk/software/host/src/org/reprap/geometry/polygons/AllSTLsToBuild.java

Modified: trunk/software/host/src/org/reprap/geometry/polygons/AllSTLsToBuild.java
===================================================================
--- trunk/software/host/src/org/reprap/geometry/polygons/AllSTLsToBuild.java	2011-04-30 10:33:21 UTC (rev 4116)
+++ trunk/software/host/src/org/reprap/geometry/polygons/AllSTLsToBuild.java	2011-04-30 10:56:28 UTC (rev 4117)
@@ -845,21 +845,21 @@
 					for(int pol = 0; pol < bridgeOutline.size(); pol++)
 					{
 						RrPolygon polygon = bridgeOutline.polygon(i);
-						double tooSmall = polygon.meanEdge();
+						//double tooSmall = polygon.meanEdge();
 						for(int vertex1 = 0; vertex1 < polygon.size(); vertex1++)
 						{
 							int vertex2 = vertex1+1;
 							if(vertex2 >= polygon.size()) // We know the polygon must be closed...
 								vertex2 = 0;
 							Rr2Point edge = Rr2Point.sub(polygon.point(vertex2), polygon.point(vertex1));
-							if(edge.mod() > tooSmall)
-							{
+							//if(edge.mod() > tooSmall)
+							//{
 								if((sp = Math.abs(Rr2Point.mul(edge, centroidDirection))) > spMax)
 								{
 									spMax = sp;
 									bridgeDirection = edge;
 								}
-							}
+							//}
 						}
 					}
 


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[reprap-commits] SF.net SVN: reprap:[4116] trunk/huxley/OpenSCAD-huxley/Design-drawings/ hot-end.dxf

From: <adr...@us...> - 2011-04-30 10:33:29

Revision: 4116
          http://reprap.svn.sourceforge.net/reprap/?rev=4116&view=rev
Author:   adrian-bowyer
Date:     2011-04-30 10:33:21 +0000 (Sat, 30 Apr 2011)

Log Message:
-----------
Huxley extruder design.  Improved hot-end liner.

Modified Paths:
--------------
    trunk/huxley/OpenSCAD-huxley/Design-drawings/hot-end.dxf

Modified: trunk/huxley/OpenSCAD-huxley/Design-drawings/hot-end.dxf
===================================================================
--- trunk/huxley/OpenSCAD-huxley/Design-drawings/hot-end.dxf	2011-04-29 22:15:27 UTC (rev 4115)
+++ trunk/huxley/OpenSCAD-huxley/Design-drawings/hot-end.dxf	2011-04-30 10:33:21 UTC (rev 4116)
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@@ -8227,21 +8369,21 @@
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@@ -8883,7 +9053,7 @@
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This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.

[reprap-commits] SF.net SVN: reprap:[4115] trunk/huxley/OpenSCAD-huxley

From: <adr...@us...> - 2011-04-29 22:15:34

Revision: 4115
          http://reprap.svn.sourceforge.net/reprap/?rev=4115&view=rev
Author:   adrian-bowyer
Date:     2011-04-29 22:15:27 +0000 (Fri, 29 Apr 2011)

Log Message:
-----------
Huxley design.

Modified Paths:
--------------
    trunk/huxley/OpenSCAD-huxley/parameters.scad

Added Paths:
-----------
    trunk/huxley/OpenSCAD-huxley/cylinder_clamp.scad
    trunk/huxley/OpenSCAD-huxley/x_axis_z_nut_holder_and_x_cable_holder_clamp.scad

Removed Paths:
-------------
    trunk/huxley/OpenSCAD-huxley/x_axis_z_nut_holder_and_z_zero_adjuster.scad

Added: trunk/huxley/OpenSCAD-huxley/cylinder_clamp.scad
===================================================================
--- trunk/huxley/OpenSCAD-huxley/cylinder_clamp.scad	                        (rev 0)
+++ trunk/huxley/OpenSCAD-huxley/cylinder_clamp.scad	2011-04-29 22:15:27 UTC (rev 4115)
@@ -0,0 +1,41 @@
+include <parameters.scad>;
+use <library.scad>;
+
+module cylinder_clamp(hole_offset = 8, c_screw = 3, clamped = 6, thickness = 8, screw_gap = 0)
+{
+	difference()
+	{
+		union()
+		{
+			translate([-(hole_offset+c_screw/2+2)/2,0,0])
+				cube([hole_offset+c_screw/2+2, clamped+4, thickness], center=true);
+			cylinder(h=thickness, r = clamped/2+2, center=true, $fn=20);
+		}
+		
+		translate([-(hole_offset+c_screw/2+2)/2,0,0])
+			cube([(hole_offset+c_screw/2+2)+1, clamped*0.75, thickness+1], center=true);
+		cylinder(h=thickness, r = clamped/2, center=true, $fn=20);
+		if(screw_gap==0)
+		{
+			translate([-hole_offset,0,0])
+				rotate([90,0,0])
+					teardrop(h=2*thickness, r =c_screw/2, center=true, teardrop_angle=270, truncateMM=0.5);
+		} else
+		{
+			for(z=[-1,1])
+				translate([-hole_offset,0,z*screw_gap/2])
+					rotate([90,0,0])
+						teardrop(h=2*thickness, r =c_screw/2, center=true, teardrop_angle=270, truncateMM=0.5);
+		}
+	}
+}
+
+
+// For Sanguinololu:
+
+//cylinder_clamp(hole_offset = 8, c_screw = 3, clamped = 6, thickness = 8, screw_gap = 0); // 2 off
+//cylinder_clamp(hole_offset = 16, c_screw = 3, clamped = 6, thickness = 8, screw_gap = 0); // 1 off
+
+// For X cable holder on the z_top_clamp
+
+cylinder_clamp(hole_offset = 5, c_screw = 3, clamped = 3, thickness = rodsize+3*screwsize, screw_gap = rodsize+screwsize);
\ No newline at end of file

Modified: trunk/huxley/OpenSCAD-huxley/parameters.scad
===================================================================
--- trunk/huxley/OpenSCAD-huxley/parameters.scad	2011-04-29 11:11:30 UTC (rev 4114)
+++ trunk/huxley/OpenSCAD-huxley/parameters.scad	2011-04-29 22:15:27 UTC (rev 4115)
@@ -10,7 +10,7 @@
 pi=3.14159265;
 
 // The relative location in your file system where the .dxf files are
-// DXFs are for quick development.  They should be replaced by parameterised CSG in dure course.
+// DXFs are for quick development.  They should be replaced by parameterised CSG in due course.
 
 fileroot="Design-drawings/";
 

Copied: trunk/huxley/OpenSCAD-huxley/x_axis_z_nut_holder_and_x_cable_holder_clamp.scad (from rev 4099, trunk/huxley/OpenSCAD-huxley/x_axis_z_nut_holder_and_z_zero_adjuster.scad)
===================================================================
--- trunk/huxley/OpenSCAD-huxley/x_axis_z_nut_holder_and_x_cable_holder_clamp.scad	                        (rev 0)
+++ trunk/huxley/OpenSCAD-huxley/x_axis_z_nut_holder_and_x_cable_holder_clamp.scad	2011-04-29 22:15:27 UTC (rev 4115)
@@ -0,0 +1,61 @@
+include <parameters.scad>;
+use <library.scad>;
+
+clamp_holes=13;
+
+module x_axis_z_nut_holder()
+{
+	difference()
+	{
+		cube([20,50,7], center=true);
+		cylinder(r=rodsize/1.8, h= rodsize*10, center=true, $fn=20);
+		translate([10,0,0])
+			cube([20,2*rodsize/1.8,30], center=true);
+
+		for(a = [1, -1])
+		{
+			translate([0,a*x_bar_gap/2,7/2])
+				rotate([0,90,0])
+					cylinder(r=rodsize/2, h= rodsize*10, center=true, $fn=20);
+
+			for(b = [1, -1])
+			for(c = [1, -1])
+			translate([a*clamp_holes/2,b*x_bar_gap/2+c*clamp_holes/2,0])
+					cylinder(r=screwsize/2, h= rodsize*10, center=true, $fn=15);
+		}
+		translate([0,0,7/2-0.2])
+			cylinder(r=rodsize, h= 5, center=true, $fn=6);
+	}
+}
+
+
+module x_cable_support_clamp()
+{
+
+	difference()
+	{
+		cube([20,20,6],center=true);
+
+		for(a = [1, -1])
+		{
+
+			for(b = [1, -1])
+			translate([a*clamp_holes/2,b*clamp_holes/2,-5*rodsize])
+					rotate([0,0,90])
+						cylinder(r=screwsize/2, h= rodsize*20, center=true, $fn=15);
+		}
+
+		translate([3,0,1.7])
+		rotate([0,90,0])
+			cylinder(r=1.5, h= 20, center=true, $fn=15);
+		translate([3,0,4.7])
+			cube([20, 3, 6], center=true);
+
+	}
+
+}
+
+x_axis_z_nut_holder();
+
+translate([0,15,-15])
+	x_cable_support_clamp();
\ No newline at end of file

Deleted: trunk/huxley/OpenSCAD-huxley/x_axis_z_nut_holder_and_z_zero_adjuster.scad
===================================================================
--- trunk/huxley/OpenSCAD-huxley/x_axis_z_nut_holder_and_z_zero_adjuster.scad	2011-04-29 11:11:30 UTC (rev 4114)
+++ trunk/huxley/OpenSCAD-huxley/x_axis_z_nut_holder_and_z_zero_adjuster.scad	2011-04-29 22:15:27 UTC (rev 4115)
@@ -1,115 +0,0 @@
-include <parameters.scad>;
-use <library.scad>;
-
-clamp_holes=13;
-
-module x_axis_z_nut_holder()
-{
-	difference()
-	{
-		cube([20,50,7], center=true);
-		cylinder(r=rodsize/1.8, h= rodsize*10, center=true);
-		translate([10,0,0])
-		cube([20,2*rodsize/1.8,30], center=true);
-
-		translate([0,x_bar_gap/2,7/2])
-			rotate([0,90,0])
-				cylinder(r=rodsize/2, h= rodsize*10, center=true);
-
-		translate([0,-x_bar_gap/2,7/2])
-			rotate([0,90,0])
-				cylinder(r=rodsize/2, h= rodsize*10, center=true);
-
-		for(a = [1, -1])
-		{
-			translate([0,a*(x_bar_gap/2-clamp_holes/2),0])
-					cylinder(r=screwsize/2, h= rodsize*10, center=true, $fn=15);
-			for(b = [1, -1])
-			for(c = [1, -1])
-			translate([a*clamp_holes/2,b*x_bar_gap/2+c*clamp_holes/2,0])
-					cylinder(r=screwsize/2, h= rodsize*10, center=true, $fn=15);
-		}
-		translate([0,0,7/2-0.2])
-			cylinder(r=rodsize, h= 5, center=true, $fn=6);
-			//rodnut(position=0,washer=0);
-	}
-}
-
-stretch=1;
-halfwidth=12;
-
-module z_height_adjuster()
-{
-	difference()
-	{
-		union()
-		{
-
-			// Attachment plate
-
-			translate([0,-halfwidth/2,2*stretch*halfwidth])
-			{
-				difference()
-				{
-					cube([20,20,5],center=true);
-
-					//translate([0,a*(x_bar_gap/2-clamp_holes/2),0])
-						//rotate([0,0,90])
-							//teardrop(r=screwsize/2, h= rodsize*10,  truncateMM=-1);
-					for(a = [1, -1])
-					{
-
-						for(b = [1, -1])
-						translate([a*clamp_holes/2,b*clamp_holes/2,-5*rodsize])
-								rotate([0,0,90])
-									teardrop(r=screwsize/2, h= rodsize*10, truncateMM=-1);
-					}
-				}
-			}
-
-			// Vertical stalk
-
-			strut(p1=[0,0,stretch*halfwidth], p2=[0,0,1.9*stretch*halfwidth],  wide = 8, deep = 6, round = 2);
-
-			// Angled legs
-
-			union()
-			{
-				strut(p1=[-halfwidth,0,0], p2=[0,0,stretch*halfwidth],  wide = 2.5, deep = 8, round = 1);
-				strut(p1=[halfwidth,0,0], p2=[0,0,stretch*halfwidth],  wide = 2.5, deep = 8, round = 1);
-				strut(p1=[-halfwidth,0,0], p2=[0,0,-stretch*halfwidth],  wide = 2.5, deep = 8, round = 0);
-				strut(p1=[halfwidth,0,0], p2=[0,0,-stretch*halfwidth],  wide = 2.5, deep = 8, round = 0);
-			}
-
-			// Screw landing blocks either side
-
-			translate([halfwidth,0,0])
-				cube([5,8,8],center=true);
-	
-			translate([-halfwidth,0,0])
-				cube([5,8,8],center=true);
-
-
-			// Block that pushes the switch
-	
-			translate([0,-1,-stretch*halfwidth])
-				cube([10,10,5],center=true);
-		}
-
-		// Screw holes and nut retainer
-
-		rotate([90,0,0])
-			rotate([0,90,0])
-			{
-				translate([0,0,-50])
-					teardrop(r=screwsize/2,h=100,truncateMM=-1);
-				translate([0,0,halfwidth])
-						pentanut(height=10);
-			}
-	}
-}
-
-x_axis_z_nut_holder();
-
-translate([0,20,-stretch*halfwidth-15])
-z_height_adjuster();
\ No newline at end of file


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[reprap-commits] SF.net SVN: reprap:[4114] trunk/software/host/src/org/reprap/geometry/ polygons/AllSTLsToBuild.java

From: <adr...@us...> - 2011-04-29 11:11:37

Revision: 4114
          http://reprap.svn.sourceforge.net/reprap/?rev=4114&view=rev
Author:   adrian-bowyer
Date:     2011-04-29 11:11:30 +0000 (Fri, 29 Apr 2011)

Log Message:
-----------
More improved bridging and infill code.

Modified Paths:
--------------
    trunk/software/host/src/org/reprap/geometry/polygons/AllSTLsToBuild.java

Modified: trunk/software/host/src/org/reprap/geometry/polygons/AllSTLsToBuild.java
===================================================================
--- trunk/software/host/src/org/reprap/geometry/polygons/AllSTLsToBuild.java	2011-04-28 21:21:24 UTC (rev 4113)
+++ trunk/software/host/src/org/reprap/geometry/polygons/AllSTLsToBuild.java	2011-04-29 11:11:30 UTC (rev 4114)
@@ -794,7 +794,7 @@
 				int bridgesIndex = findBridges(unSupported, cen1);
 				if(bridgesIndex < 0)
 				{
-					Debug.e("AllSTLsToBuild.bridges(): Land found with no corresponding bridge!");
+					Debug.d("AllSTLsToBuild.bridges(): Land found with no corresponding bridge!");
 					continue;
 				}
 				BooleanGrid bridges = unSupported.get(bridgesIndex);
@@ -893,8 +893,9 @@
 	 * @param startNearHere
 	 * @return
 	 */
-	public RrPolygonList computeInfill(int stl, LayerRules layerConditions) //, Rr2Point startNearHere)
+	public RrPolygonList computeInfill(int stl, LayerRules layerConditions) 
 	{
+		// Where the result will be stored.
 		
 		RrPolygonList hatchedPolygons;
 		
@@ -907,7 +908,7 @@
 		int layer = layerConditions.getMachineLayer();
 		BooleanGridList slice = slice(stl, layerConditions.getModelLayer(), layerConditions);
 		
-		// Get the bottom and top out of the way
+		// Get the bottom and top out of the way - no fancy calculations needed.
 		
 		if(layerConditions.getModelLayer() < 2 || layerConditions.getModelLayer() > layerConditions.getModelLayerMax() - 3)
 		{
@@ -916,46 +917,91 @@
 			return hatchedPolygons;
 		}
 		
-		// If we are solid but the slices around us weren't, we need some fine infill as
-		// we are (at least partly) surface
+		// If we are solid but the slices above or below us weren't, we need some fine infill as
+		// we are (at least partly) surface.
 		
+		// The intersection of the slices above does not need surface infill...
+		
 		BooleanGridList above = slice(stl, layer+2, layerConditions);
 		above = BooleanGridList.intersections(slice(stl, layer+1, layerConditions), above);
 		
+		// ...nor does the intersection of those below.
+		
 		BooleanGridList below = slice(stl, layer-2, layerConditions);
 		below = BooleanGridList.intersections(slice(stl, layer-1, layerConditions), below);
 	
+		// The bit of the slice with nothing above it needs fine infill...
+		
 		BooleanGridList nothingabove = BooleanGridList.differences(slice, above);
+		
+		// ...as does the bit with nothing below.
+		
 		BooleanGridList nothingbelow = BooleanGridList.differences(slice, below);
-		nothingabove = BooleanGridList.differences(nothingabove, nothingbelow);
+		
+//		// Remove regions common to both - we don't want to infill them twice.
+//		
+//		nothingabove = BooleanGridList.differences(nothingabove, nothingbelow);
 
+		// Find the region that is not surface.
+		
 		BooleanGridList insides = BooleanGridList.differences(slice, nothingbelow);
 		insides = BooleanGridList.differences(insides, nothingabove);
 		
+		// Parts with nothing under them that have no support material
+		// need to have bridges constructed to do the best for in-air infill.
+		
 		BooleanGridList bridges = nothingbelow.cullNonNull();
+		
+		// The remainder with nothing under them will be supported by support material
+		// and so needs no special treatment.
+		
 		nothingbelow = nothingbelow.cullNull();
 		
+		// All the parts of this slice that need surface infill
+		
 		BooleanGridList surfaces = BooleanGridList.unions(nothingbelow, nothingabove);
 		
+		// Make the bridges fatter, then crop them to the slice.
+		// This will make them interpenetrate at their ends/sides to give
+		// bridge landing areas.
+		
 		bridges = bridges.offset(layerConditions, false, 2);
 		bridges = BooleanGridList.intersections(bridges, slice);
+		
+		// Find the landing areas as a separate set of shapes that go with the bridges.
+		
 		BooleanGridList lands = BooleanGridList.intersections(bridges, BooleanGridList.unions(insides,surfaces));
 		
+		// The landing areas will be infilled by the bridge-filling function along with the bridges,
+		// so remove them from the other areas.
+		
 		insides = BooleanGridList.differences(insides, lands);
 		surfaces = BooleanGridList.differences(surfaces, lands);
 		
+		// Shapes will be outlined, and so need to be shrunk to allow for that.  But they
+		// must not also shrink from each other internally.  So initially expand them so they overlap
+		// (The 0.75 is a bit of a hack, but it seems to work)...
+		
 		bridges = bridges.offset(layerConditions, false, 0.75);
 		insides = insides.offset(layerConditions, false, 0.75);
 		surfaces = surfaces.offset(layerConditions, false, 0.75);
 		
+		// Now intersect them with the slice so the outer edges are back where they should be.
+		
 		bridges = BooleanGridList.intersections(bridges, slice);
 		insides = BooleanGridList.intersections(insides, slice);
 		surfaces = BooleanGridList.intersections(surfaces, slice);
 		
+		// Now shrink them so the edges are in a bit to allow the outlines to
+		// be put round the outside.  The inner joins should now shrink back to be
+		// adjacent to each other as they should be.
+		
 		bridges = bridges.offset(layerConditions, false, -1);
 		insides = insides.offset(layerConditions, false, -1);
 		surfaces = surfaces.offset(layerConditions, false, -1);
 		
+		// Generate the infill patterns.
+		
 		hatchedPolygons = insides.hatch(layerConditions, false, null);
 		hatchedPolygons.add(surfaces.hatch(layerConditions, true, null));
 		hatchedPolygons.add(bridgeHatch(bridges, lands, layerConditions));


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[reprap-commits] SF.net SVN: reprap:[4113] trunk/software/host/src/org/reprap/geometry/ polygons/AllSTLsToBuild.java

From: <adr...@us...> - 2011-04-28 21:21:30

Revision: 4113
          http://reprap.svn.sourceforge.net/reprap/?rev=4113&view=rev
Author:   adrian-bowyer
Date:     2011-04-28 21:21:24 +0000 (Thu, 28 Apr 2011)

Log Message:
-----------
More improved bridging and infill code.

Modified Paths:
--------------
    trunk/software/host/src/org/reprap/geometry/polygons/AllSTLsToBuild.java

Modified: trunk/software/host/src/org/reprap/geometry/polygons/AllSTLsToBuild.java
===================================================================
--- trunk/software/host/src/org/reprap/geometry/polygons/AllSTLsToBuild.java	2011-04-28 15:58:35 UTC (rev 4112)
+++ trunk/software/host/src/org/reprap/geometry/polygons/AllSTLsToBuild.java	2011-04-28 21:21:24 UTC (rev 4113)
@@ -744,14 +744,14 @@
 		return -1;
 	}
 	
-	private void nameAtt(BooleanGridList bgl, String name)
-	{
-		for(int i = 0; i < bgl.size(); i++)
-		{
-			Attributes a = bgl.get(i).attribute();
-			Debug.e(name + " has material: " + a.getMaterial());
-		}
-	}
+//	private void nameAtt(BooleanGridList bgl, String name)
+//	{
+//		for(int i = 0; i < bgl.size(); i++)
+//		{
+//			Attributes a = bgl.get(i).attribute();
+//			Debug.e(name + " has material: " + a.getMaterial());
+//		}
+//	}
 	
 	/**
 	 * Compute the bridge infill for unsupported polygons for a slice.  This is very heuristic...
@@ -776,25 +776,26 @@
 				// Find the middle of the land
 				
 				Rr2Point cen1 = land1.findCentroid();
-				if(cen1 == null)
-				{
-					Debug.e("AllSTLsToBuild.bridges(): First land found with no centroid!");
-					return result;
-				}
 				
 				// Wipe this land from the land pattern
 				
-				land1.offset(0.5); // Slight hack...
+				//land1.offset(0.5); // Slight hack...
 				
 				landPattern = BooleanGrid.difference(landPattern, land1);
 				
+				if(cen1 == null)
+				{
+					Debug.e("AllSTLsToBuild.bridges(): First land found with no centroid!");
+					continue;
+				}
+				
 				// Find the bridge that goes with the land
 				
 				int bridgesIndex = findBridges(unSupported, cen1);
 				if(bridgesIndex < 0)
 				{
 					Debug.e("AllSTLsToBuild.bridges(): Land found with no corresponding bridge!");
-					return result;
+					continue;
 				}
 				BooleanGrid bridges = unSupported.get(bridgesIndex);
 				
@@ -827,7 +828,7 @@
 
 					// Wipe this land from the land pattern
 
-					land2.offset(0.5); // Slight hack...
+					//land2.offset(0.5); // Slight hack...
 
 					landPattern = BooleanGrid.difference(landPattern, land2);
 


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[reprap-commits] SF.net SVN: reprap:[4112] trunk/software/host/src/org/reprap/geometry/ polygons

From: <adr...@us...> - 2011-04-28 15:58:42

Revision: 4112
          http://reprap.svn.sourceforge.net/reprap/?rev=4112&view=rev
Author:   adrian-bowyer
Date:     2011-04-28 15:58:35 +0000 (Thu, 28 Apr 2011)

Log Message:
-----------
Improved bridging and infill code.

Modified Paths:
--------------
    trunk/software/host/src/org/reprap/geometry/polygons/AllSTLsToBuild.java
    trunk/software/host/src/org/reprap/geometry/polygons/BooleanGridList.java

Modified: trunk/software/host/src/org/reprap/geometry/polygons/AllSTLsToBuild.java
===================================================================
--- trunk/software/host/src/org/reprap/geometry/polygons/AllSTLsToBuild.java	2011-04-27 17:17:08 UTC (rev 4111)
+++ trunk/software/host/src/org/reprap/geometry/polygons/AllSTLsToBuild.java	2011-04-28 15:58:35 UTC (rev 4112)
@@ -665,7 +665,7 @@
 		
 		BooleanGridList allThis = new BooleanGridList();
 		allThis.add(unionOfThisLayer);
-		allThis = allThis.offset(layerConditions, true, -3);  // -3 is a bit of a hack...
+		allThis = allThis.offset(layerConditions, true, 3);  // 3 is a bit of a hack...
 		
 		if(allThis.size() > 0)
 			unionOfThisLayer = allThis.get(0);
@@ -760,7 +760,7 @@
 	 * @param layerConditions
 	 * @return
 	 */
-	public RrPolygonList bridges(BooleanGridList unSupported, BooleanGridList lands, LayerRules layerConditions)
+	public RrPolygonList bridgeHatch(BooleanGridList unSupported, BooleanGridList lands, LayerRules layerConditions)
 	{
 		RrPolygonList result = new RrPolygonList();
 		
@@ -868,9 +868,12 @@
 							bridge.attribute().getExtruder().getExtrusionInfillWidth(), 
 							bridge.attribute()));
 
-					// We shouldn't need to remove the bridge from the bridge patterns; no other lands should
-					// intersect it.
+					
 				}
+				// remove the bridge from the bridge patterns.
+				BooleanGridList b = new BooleanGridList();
+				b.add(bridge);
+				unSupported = BooleanGridList.differences(unSupported, b);
 			}
 		}
 		
@@ -891,6 +894,9 @@
 	 */
 	public RrPolygonList computeInfill(int stl, LayerRules layerConditions) //, Rr2Point startNearHere)
 	{
+		
+		RrPolygonList hatchedPolygons;
+		
 		// No more additions or movements, please
 		
 		freeze();
@@ -900,18 +906,69 @@
 		int layer = layerConditions.getMachineLayer();
 		BooleanGridList slice = slice(stl, layerConditions.getModelLayer(), layerConditions);
 		
+		// Get the bottom and top out of the way
+		
+		if(layerConditions.getModelLayer() < 2 || layerConditions.getModelLayer() > layerConditions.getModelLayerMax() - 3)
+		{
+			slice = slice.offset(layerConditions, false, -1);
+			hatchedPolygons = slice.hatch(layerConditions, true, null);
+			return hatchedPolygons;
+		}
+		
 		// If we are solid but the slices around us weren't, we need some fine infill as
 		// we are (at least partly) surface
 		
-		BooleanGridList adjacentSlices = slice(stl, layer+1, layerConditions);
+		BooleanGridList above = slice(stl, layer+2, layerConditions);
+		above = BooleanGridList.intersections(slice(stl, layer+1, layerConditions), above);
+		
+		BooleanGridList below = slice(stl, layer-2, layerConditions);
+		below = BooleanGridList.intersections(slice(stl, layer-1, layerConditions), below);
+	
+		BooleanGridList nothingabove = BooleanGridList.differences(slice, above);
+		BooleanGridList nothingbelow = BooleanGridList.differences(slice, below);
+		nothingabove = BooleanGridList.differences(nothingabove, nothingbelow);
+
+		BooleanGridList insides = BooleanGridList.differences(slice, nothingbelow);
+		insides = BooleanGridList.differences(insides, nothingabove);
+		
+		BooleanGridList bridges = nothingbelow.cullNonNull();
+		nothingbelow = nothingbelow.cullNull();
+		
+		BooleanGridList surfaces = BooleanGridList.unions(nothingbelow, nothingabove);
+		
+		bridges = bridges.offset(layerConditions, false, 2);
+		bridges = BooleanGridList.intersections(bridges, slice);
+		BooleanGridList lands = BooleanGridList.intersections(bridges, BooleanGridList.unions(insides,surfaces));
+		
+		insides = BooleanGridList.differences(insides, lands);
+		surfaces = BooleanGridList.differences(surfaces, lands);
+		
+		bridges = bridges.offset(layerConditions, false, 0.75);
+		insides = insides.offset(layerConditions, false, 0.75);
+		surfaces = surfaces.offset(layerConditions, false, 0.75);
+		
+		bridges = BooleanGridList.intersections(bridges, slice);
+		insides = BooleanGridList.intersections(insides, slice);
+		surfaces = BooleanGridList.intersections(surfaces, slice);
+		
+		bridges = bridges.offset(layerConditions, false, -1);
+		insides = insides.offset(layerConditions, false, -1);
+		surfaces = surfaces.offset(layerConditions, false, -1);
+		
+		hatchedPolygons = insides.hatch(layerConditions, false, null);
+		hatchedPolygons.add(surfaces.hatch(layerConditions, true, null));
+		hatchedPolygons.add(bridgeHatch(bridges, lands, layerConditions));
+	
+		return hatchedPolygons;
+	/*	
+		
+	BooleanGridList adjacentSlices = slice(stl, layer+1, layerConditions);
 		BooleanGridList supportBeneath = null;
 
 		adjacentSlices = BooleanGridList.intersections(slice(stl, layer+2, layerConditions), adjacentSlices);
-		//adjacentSlices = BooleanGridList.intersections(slice(stl, layer+3, layerConditions), adjacentSlices);
 		supportBeneath = slice(stl, layer-1, layerConditions);
 		adjacentSlices = BooleanGridList.intersections(supportBeneath, adjacentSlices);
 		adjacentSlices = BooleanGridList.intersections(slice(stl, layer-2, layerConditions), adjacentSlices);
-		//adjacentSlices = BooleanGridList.intersections(slice(stl, layer-3, layerConditions), adjacentSlices);
 
 		BooleanGridList insides = null;
 		
@@ -948,7 +1005,7 @@
 			insides = BooleanGridList.differences(insides, unSupported, false);
 		}
 		
-		RrPolygonList hatchedPolygons = nothingAbove.hatch(layerConditions, true, null);
+		hatchedPolygons = nothingAbove.hatch(layerConditions, true, null);
 		if(unSupported != null && lands != null)
 			hatchedPolygons.add(bridges(unSupported, lands, layerConditions));
 			
@@ -956,6 +1013,9 @@
 			hatchedPolygons.add(insides.hatch(layerConditions, false, null));
 		
 		return hatchedPolygons;
+		
+	*/	
+
 	}
 	
 	/**
@@ -1004,7 +1064,7 @@
 			borderPolygons = null;
 		} else
 		{
-			BooleanGridList offBorder = slice.offset(layerConditions, true, 1);
+			BooleanGridList offBorder = slice.offset(layerConditions, true, -1);
 			borderPolygons = offBorder.borders();
 		}
 

Modified: trunk/software/host/src/org/reprap/geometry/polygons/BooleanGridList.java
===================================================================
--- trunk/software/host/src/org/reprap/geometry/polygons/BooleanGridList.java	2011-04-27 17:17:08 UTC (rev 4111)
+++ trunk/software/host/src/org/reprap/geometry/polygons/BooleanGridList.java	2011-04-28 15:58:35 UTC (rev 4112)
@@ -30,6 +30,9 @@
 		public BooleanGridList(BooleanGridList a)
 		{
 			shapes = new ArrayList<BooleanGrid>();
+			
+			if(a == null) return;
+			
 			for(int i = 0; i < a.size(); i++)
 				shapes.add(new BooleanGrid(a.get(i)));
 		}
@@ -93,7 +96,10 @@
 		public void add(BooleanGrid b)
 		{
 			if(b == null)
+			{
 				Debug.e("BooleanGridList.add(): attempt to add null BooleanGrid.");
+				return;
+			}
 			if(b != BooleanGrid.nullBooleanGrid())
 				shapes.add(b);
 		}
@@ -147,7 +153,7 @@
 						boolean carryOn = true;
 						while(carryOn && shell < shells)
 						{
-							BooleanGrid thisOne = get(i).offset(-multiplier*((double)shell + 0.5)*e.getExtrusionSize());
+							BooleanGrid thisOne = get(i).offset(multiplier*((double)shell + 0.5)*e.getExtrusionSize());
 							if(thisOne.isEmpty())
 								carryOn = false;
 							else
@@ -164,8 +170,10 @@
 							ife = es[ei];
 						if(foundation)
 							offSize = 3;
+						else if(multiplier < 0)
+							offSize = multiplier*((double)shells + 0.5)*e.getExtrusionSize() + ife.getInfillOverlap();
 						else
-							offSize = -multiplier*((double)shells + 0.5)*e.getExtrusionSize() + ife.getInfillOverlap();
+							offSize = multiplier*((double)shells + 0.5)*e.getExtrusionSize();
 						if (e.getExtrusionInfillWidth() > 0 || foundation)  // Z value doesn't matter here
 								result.add(get(i).offset(offSize));
 					}
@@ -290,15 +298,15 @@
 		public static BooleanGridList unions(BooleanGridList a, BooleanGridList b)
 		{
 			BooleanGridList result = new BooleanGridList();
-			
+
+			if(a == null)
+				return b;
+			if(b == null)
+				return a;
 			if(a == b)
 				return a;
-			if(a == null)
-				return b;
 			if(a.size() <= 0)
 				return b;
-			if(b == null)
-				return a;
 			if(b.size() <= 0)
 				return a;
 			
@@ -343,10 +351,10 @@
 		public static BooleanGridList intersections(BooleanGridList a, BooleanGridList b)
 		{
 			BooleanGridList result = new BooleanGridList();
+			if(a == null || b == null)
+				return result;
 			if(a == b)
 				return a;
-			if(a == null || b == null)
-				return result;
 			if(a.size() <= 0  || b.size() <= 0)
 				return result;
 			
@@ -380,7 +388,22 @@
 			return result;
 		}
 		
+		/**
+		 * Return only those elements in the list that have support material specified
+		 * @return
+		 */
+		public BooleanGridList cullNull()
+		{
+			BooleanGridList result = new BooleanGridList();
+
+			for(int i = 0; i < size(); i++)
+				if(get(i).attribute().getExtruder().getSupportExtruderNumber() >= 0)
+					result.add(get(i));
+			
+			return result;
+		}
 		
+		
 		/**
 		 * Return a list of differences between the entries in a and b.
 		 * Only pairs with the same attribute are subtracted.  If an element
@@ -395,22 +418,18 @@
 		 * @param onlyNullSupport
 		 * @return
 		 */
-		public static BooleanGridList differences(BooleanGridList a, BooleanGridList b, boolean onlyNullSupport)
+		public static BooleanGridList differences(BooleanGridList a, BooleanGridList b)
 		{
 			BooleanGridList result = new BooleanGridList();
-			
+
+			if(a == null)
+				return result;			
+			if(b == null)
+				return a;			
 			if(a == b)
 				return result;
-			if(a == null)
-				return result;
 			if(a.size() <= 0)
 				return result;
-			
-			if(onlyNullSupport)
-				a = a.cullNonNull();
-			
-			if(b == null)
-				return a;
 			if(b.size() <= 0)
 				return a;
 			


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[reprap-commits] SF.net SVN: reprap:[4111] trunk/huxley/OpenSCAD-huxley/universal-1. 75mm-filament-extruder.scad

From: <adr...@us...> - 2011-04-27 17:17:14

Revision: 4111
          http://reprap.svn.sourceforge.net/reprap/?rev=4111&view=rev
Author:   adrian-bowyer
Date:     2011-04-27 17:17:08 +0000 (Wed, 27 Apr 2011)

Log Message:
-----------
Huxley extruder design.  A few corrections.

Modified Paths:
--------------
    trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad

Modified: trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad
===================================================================
--- trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad	2011-04-26 20:44:12 UTC (rev 4110)
+++ trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad	2011-04-27 17:17:08 UTC (rev 4111)
@@ -237,7 +237,7 @@
 
 		// 180 bearing
 	
-			translate([30, x_bar_gap/2, 0])
+			translate([-30, x_bar_gap/2, 0])
 				rotate([90, 0,90])
 					if(holes)
 						adjustable_bearing(false,  teardrop_angle);
@@ -626,7 +626,9 @@
 					cube([70,60,plate_thickness], center=true);
 				translate([-6, 0, -2])
 					cube([34,20,7], center=true);
-				translate([0, -29,-8.5+plate_thickness/2])
+				translate([20, 12, -1])
+					cube([6,6,6], center=true);
+				translate([-8, -29,-8.5+plate_thickness/2])
 					difference()
 					{
 						cube([32, 20, 22], center=true);
@@ -635,9 +637,8 @@
 					}
 			}
 
-			translate([0, 45, 0])
-				rotate([0,0,18])
-					cube([110,40,3*plate_thickness], center=true);
+			translate([27, 15, 0])
+					cube([15,32,20], center=true);
 
 			translate([-23.25, 0, 0])
 				cube([10.5,21,30], center=true);
@@ -653,7 +654,7 @@
 			translate(accessories_position-base_position)
 				accessories(holes=true,  teardrop_angle=361);
 
-			translate([-2, 0, 0])
+			translate([-10, 0, 0])
 				bracket_holes(teardrop_angle=90);
 		}
 	} else
@@ -897,15 +898,15 @@
 
 // Uncomment to get entire assembly
 
+translate(base_position+[0,0,-3.2])
+	base_plate();
+
 translate(fixed_block_position)
 	fixed_block();
 
 translate(duct_offset)
 	duct();
 
-translate(base_position+[0,0,-3.2])
-	base_plate();
-
 if(huxley)
 {
 	translate(clamp_position)
@@ -940,7 +941,6 @@
 
 
 
-
 /*
 Individual built items
 


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[reprap-commits] SF.net SVN: reprap:[4110] trunk/huxley/OpenSCAD-huxley/ y_axis_motor_mount_and_limit_switch_holder.scad

From: <adr...@us...> - 2011-04-26 20:44:19

Revision: 4110
          http://reprap.svn.sourceforge.net/reprap/?rev=4110&view=rev
Author:   adrian-bowyer
Date:     2011-04-26 20:44:12 +0000 (Tue, 26 Apr 2011)

Log Message:
-----------
Changed Huxley limit switch mounts.

Modified Paths:
--------------
    trunk/huxley/OpenSCAD-huxley/y_axis_motor_mount_and_limit_switch_holder.scad

Modified: trunk/huxley/OpenSCAD-huxley/y_axis_motor_mount_and_limit_switch_holder.scad
===================================================================
--- trunk/huxley/OpenSCAD-huxley/y_axis_motor_mount_and_limit_switch_holder.scad	2011-04-26 20:29:03 UTC (rev 4109)
+++ trunk/huxley/OpenSCAD-huxley/y_axis_motor_mount_and_limit_switch_holder.scad	2011-04-26 20:44:12 UTC (rev 4110)
@@ -77,6 +77,7 @@
 	}
 }
 
+/*
 module y_limit_switch_mount(z_offset = 0)
 {
 	difference()
@@ -109,7 +110,23 @@
 		belt_bearing_holes(teardrop=true);
 	}
 }
+*/
+module limit_switch_rod_clamp()
+{
+	difference()
+	{
+		cube([16,6,7.8], center=true);
+		for(x=[-0.5,0.5])
+			translate([x*limit_switch_centres,0,0])
+					cylinder(h = 20*rodsize, r = limit_switch_hole_diameter/2, center = true, $fn = fn);
+		translate([0,0,4-rodsize/2])
+			rotate([90,0,0])
+				cylinder(h = 20*rodsize, r = rodsize/2, center = true, $fn = fn);
+		translate([0,0,4])
+			cube([rodsize,12,rodsize], center=true);
+	}
+}
 //rotate([0,0,30])
-y_limit_switch_mount();
+//y_limit_switch_mount();
 y_axis_motor_mount();
-
+//limit_switch_rod_clamp();


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[reprap-commits] SF.net SVN: reprap:[4109] trunk/huxley/OpenSCAD-huxley/universal-1. 75mm-filament-extruder.scad

From: <adr...@us...> - 2011-04-26 20:29:09

Revision: 4109
          http://reprap.svn.sourceforge.net/reprap/?rev=4109&view=rev
Author:   adrian-bowyer
Date:     2011-04-26 20:29:03 +0000 (Tue, 26 Apr 2011)

Log Message:
-----------
Huxley extruder design.  WIP.

Modified Paths:
--------------
    trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad

Modified: trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad
===================================================================
--- trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad	2011-04-26 17:27:01 UTC (rev 4108)
+++ trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad	2011-04-26 20:29:03 UTC (rev 4109)
@@ -635,6 +635,10 @@
 					}
 			}
 
+			translate([0, 45, 0])
+				rotate([0,0,18])
+					cube([110,40,3*plate_thickness], center=true);
+
 			translate([-23.25, 0, 0])
 				cube([10.5,21,30], center=true);
 


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[reprap-commits] SF.net SVN: reprap:[4108] trunk/huxley/OpenSCAD-huxley

From: <adr...@us...> - 2011-04-26 17:27:08

Revision: 4108
          http://reprap.svn.sourceforge.net/reprap/?rev=4108&view=rev
Author:   adrian-bowyer
Date:     2011-04-26 17:27:01 +0000 (Tue, 26 Apr 2011)

Log Message:
-----------
Huxley extruder design.  WIP.

Modified Paths:
--------------
    trunk/huxley/OpenSCAD-huxley/parameters.scad
    trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad

Modified: trunk/huxley/OpenSCAD-huxley/parameters.scad
===================================================================
--- trunk/huxley/OpenSCAD-huxley/parameters.scad	2011-04-25 14:33:20 UTC (rev 4107)
+++ trunk/huxley/OpenSCAD-huxley/parameters.scad	2011-04-26 17:27:01 UTC (rev 4108)
@@ -2,7 +2,7 @@
 
 // Set ONE OF these true.
 
-huxley=false;
+huxley=true;
 mendel=!huxley;
 
 
@@ -12,7 +12,7 @@
 // The relative location in your file system where the .dxf files are
 // DXFs are for quick development.  They should be replaced by parameterised CSG in dure course.
 
-fileroot="DXF-files/";
+fileroot="Design-drawings/";
 
 rodsize = 6;	//threaded/smooth rod diameter in mm
 xaxis = 182.5;	//width of base in mm

Modified: trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad
===================================================================
--- trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad	2011-04-25 14:33:20 UTC (rev 4107)
+++ trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad	2011-04-26 17:27:01 UTC (rev 4108)
@@ -41,7 +41,7 @@
 lever_spring_offset=[-39,5,back_plate_height+10];
 back_plate_position=[0,fixed_block_width/2+fat_plate_thickness/2,5+back_plate_height/2];
 motor_position=[-motor_radius*cos(motor_angle), 1, motor_radius*sin(motor_angle)];
-
+fan_block_position=[25,0,3.5];
 fixed_block_position=[0,0,10];
 duct_offset=[-5.5,0,7];
 base_position=[0,0,-3];
@@ -52,7 +52,7 @@
 spacer_position=drive_assembly_position + motor_position + [0, 10.75, 0];
 lever_offset=[0,0,hub_z];
 fan_position=[21.5 + (fan_thickness-7)/2,0,27];
-accessories_position=[0,0,0];
+accessories_position=[-5,0,-3];
 motor_add=[0, 0, 0];
 gear_add=[0, 0, 0];
 bearing_add=[0, 0, 0];
@@ -603,9 +603,9 @@
 {
 	difference()
 	{
-		translate([0, 0, 0])
+		translate([-2, 0, -2])
 			cube([8,5,18], center=true);
-		translate(base_position-clamp_position)
+		translate(base_position-clamp_position- [2, 0, 0])
 			bracket_holes(teardrop_angle=-1);
 	}
 }
@@ -616,13 +616,13 @@
 {
 	if(huxley)
 	{
-
+		translate([0,0,3])
 		difference()
 		{
 			translate([-2, 0, 0])
 			union()
 			{
-				translate([0, 0, plate_thickness/2])
+				translate([-3, 0, plate_thickness/2])
 					cube([70,60,plate_thickness], center=true);
 				translate([-6, 0, -2])
 					cube([34,20,7], center=true);
@@ -641,37 +641,17 @@
 			// Nozzle
 		
 			translate([0, 0, -23+plate_thickness]-base_position)
-				cylinder(h=46,r=4,center=true, $fn=15);
+				cylinder(h=46,r=4.25,center=true, $fn=15);
 
 			translate(-base_position)
 				nozzle_holes();
 
-			translate(accessories_position-base_position+[-2, 0, 0])
+			translate(accessories_position-base_position)
 				accessories(holes=true,  teardrop_angle=361);
 
 			translate([-2, 0, 0])
 				bracket_holes(teardrop_angle=90);
 		}
-		/*difference()
-		{
-			union()
-			{
-				translate([0, 0, plate_thickness/2])
-					cube([50,60,plate_thickness], center=true);
-				if(huxley)
-					translate([0, -29,-8.5+plate_thickness/2])
-						difference()
-						{
-							cube([32, 20, 22], center=true);
-							translate([0, 8, -4])
-								cube([40, 20, 20], center=true);
-						}
-			}
-			accessories(holes=true, angle=361);
-	
-			translate(bracket_position-base_position)
-				bracket_holes(teardrop_angle=90);
-		}*/
 	} else
 	{
 		union()
@@ -862,6 +842,18 @@
 	}
 }
 
+// Block to support the fan - Huxley version
+
+module fan_block()
+{
+	difference()
+	{
+		cube([10, 20, 3], center=true);
+		translate(accessories_position-fan_block_position)
+			accessories(holes=true,  teardrop_angle=361);
+	}
+}
+
 // Spacer to fit Prusa X carriage
 
 module prusa_spacer()
@@ -898,7 +890,7 @@
 
 
 //--------------------------------------------------------------------
-/*
+
 // Uncomment to get entire assembly
 
 translate(fixed_block_position)
@@ -911,12 +903,17 @@
 	base_plate();
 
 if(huxley)
+{
 	translate(clamp_position)
 		belt_clamp();
+	translate(fan_block_position)
+		fan_block();
+}
 
 translate(motor_plate_position)
 	motor_plate();
 
+
 translate(motor_plate_clip_position)
 	motor_plate_clip();
 
@@ -934,20 +931,39 @@
 
 translate(accessories_position)
 	accessories();
+
 //-----------------------------------------------------------------
-*/
 
 
 
 
-// Individual built items
-// Uncomment these one by one, then save the results as STL files
+/*
+Individual built items
 
+Uncomment these one by one, then save the results as STL files
+You may find it useful to use a file name convention that is the
+module name plus the number off:
+
+adjustable_bearing_1_off.stl
+belt_clamp_2_off.stl
+
+etc.
+
+*/
+
+
+// The hob jig
+//----
+//hob_jig();
+//hob_jig_handle();
+//----
+
 // For Huxley
 //----
 //adjustable_bearing(true,-1); // 2 off
 //adjustable_bearing(false,-1);
 //belt_clamp(); // 2 off
+//fan_block();
 //----
 
 // For Prusa
@@ -957,14 +973,12 @@
 
 // For all
 
-//hob_jig();
-//hob_jig_handle();
 //duct(1);
 //duct(2);
 //fixed_block();
 //lever();
 //base_plate();
-motor_plate();
+//motor_plate();
 //motor_plate_clip();
 //motor_spacer();
 //drive_gear();


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.

[reprap-commits] SF.net SVN: reprap:[4107] trunk/huxley/OpenSCAD-huxley/universal-1. 75mm-filament-extruder.scad

From: <adr...@us...> - 2011-04-25 14:33:26

Revision: 4107
          http://reprap.svn.sourceforge.net/reprap/?rev=4107&view=rev
Author:   adrian-bowyer
Date:     2011-04-25 14:33:20 +0000 (Mon, 25 Apr 2011)

Log Message:
-----------
Huxley extruder design.  A few corrections.

Modified Paths:
--------------
    trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad

Modified: trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad
===================================================================
--- trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad	2011-04-24 23:09:07 UTC (rev 4106)
+++ trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad	2011-04-25 14:33:20 UTC (rev 4107)
@@ -360,14 +360,14 @@
 					translate(bearing_add)
 						cylinder(h=6,r=9.5,center=true);
 				else
-					teardrop(h=6.2,r=10,center=true,teardrop_angle=teardrop_angle,truncateMM=0.5);
+					teardrop(h=6.2,r=9.6,center=true,teardrop_angle=teardrop_angle,truncateMM=0.5);
 
 			translate([0,0,22])
 				if(body)
 					translate(-bearing_add)
 						cylinder(h=6,r=9.5,center=true);
 				else
-					teardrop(h=6.2,r=10,center=true,teardrop_angle=teardrop_angle,truncateMM=0.5);
+					teardrop(h=6.2,r=9.6,center=true,teardrop_angle=teardrop_angle,truncateMM=0.5);
 		}	
 	}
 }
@@ -705,8 +705,8 @@
 			translate([24.5,0,10])
 				difference()
 				{
-					translate([-4.5,0,-4.5])
-						cube([6,20,16], center = true);
+					translate([-4.5,0,-5.5])
+						cube([6,20,14], center = true);
 					translate([-11,0,-2])
 						cube([14,30,12], center = true);
 				}
@@ -739,7 +739,7 @@
 	{
 		cylinder(h=200, r=2,$fn=10);
 		translate([0,0,31])
-			cylinder(r=3.5,h=10, center=true, $fn=6);
+			cylinder(r=3.2,h=10, center=true, $fn=6);
 		translate([0,0,40])
 			cylinder(r=4,h=14, center=true, $fn=15);
 		translate([0,0,48.5])
@@ -868,7 +868,7 @@
 {
 	difference()
 	{
-		cylinder(r=6, h=15, center=true,$fn=4);
+		cube([10, 20, 15], center=true);
 		cylinder(r=2, h=25, center=true,$fn=40);
 	}
 }
@@ -898,7 +898,7 @@
 
 
 //--------------------------------------------------------------------
-
+/*
 // Uncomment to get entire assembly
 
 translate(fixed_block_position)
@@ -935,11 +935,11 @@
 translate(accessories_position)
 	accessories();
 //-----------------------------------------------------------------
+*/
 
 
 
 
-
 // Individual built items
 // Uncomment these one by one, then save the results as STL files
 
@@ -964,7 +964,7 @@
 //fixed_block();
 //lever();
 //base_plate();
-//motor_plate();
+motor_plate();
 //motor_plate_clip();
 //motor_spacer();
 //drive_gear();


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.

[reprap-commits] SF.net SVN: reprap:[4106] trunk/huxley/OpenSCAD-huxley

From: <adr...@us...> - 2011-04-24 23:09:14

Revision: 4106
          http://reprap.svn.sourceforge.net/reprap/?rev=4106&view=rev
Author:   adrian-bowyer
Date:     2011-04-24 23:09:07 +0000 (Sun, 24 Apr 2011)

Log Message:
-----------
Added mini extruder spacer for Prusa X carriage.

Modified Paths:
--------------
    trunk/huxley/OpenSCAD-huxley/Design-drawings/hot-end.dxf
    trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad

Modified: trunk/huxley/OpenSCAD-huxley/Design-drawings/hot-end.dxf
===================================================================
--- trunk/huxley/OpenSCAD-huxley/Design-drawings/hot-end.dxf	2011-04-23 15:28:39 UTC (rev 4105)
+++ trunk/huxley/OpenSCAD-huxley/Design-drawings/hot-end.dxf	2011-04-24 23:09:07 UTC (rev 4106)
@@ -13,9 +13,9 @@
   5
 FFFF
   9
-$DIMASZ
- 40
-1.0
+$DIMADEC
+ 70
+2
   9
 $GRIDUNIT
  10
@@ -23,46 +23,46 @@
  20
 0.25
   9
-$DIMADEC
- 70
-2
+$DIMASZ
+ 40
+1.0
   9
 $DIMGAP
  40
 0.625
   9
-$SPLINESEGS
+$LUNITS
  70
-8
+2
   9
 $AUPREC
  70
 2
   9
-$LUNITS
+$SPLINESEGS
  70
-2
+8
   9
+$INSUNITS
+ 70
+4
+  9
 $DIMEXO
  40
 0.625
   9
-$INSUNITS
- 70
-4
-  9
 $DIMLUNIT
  70
 2
   9
+$GRIDMODE
+ 70
+1
+  9
 $DIMTXT
  40
 2.0
   9
-$GRIDMODE
- 70
-1
-  9
 $LUPREC
  70
 4
@@ -71,17 +71,21 @@
   2
 Standard
   9
+$PLIMMIN
+ 10
+0.0
+ 20
+0.0
+  9
 $PLIMMAX
  10
 297.0
  20
 210.0
   9
-$PLIMMIN
- 10
-0.0
- 20
-0.0
+$DIMEXE
+ 40
+0.5
   9
 $PINSBASE
  10
@@ -91,10 +95,6 @@
  30
 0.0
   9
-$DIMEXE
- 40
-0.5
-  9
 $DIMAUNIT
  70
 0
@@ -1437,127 +1437,97 @@
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@@ -3343,15 +3343,13 @@
  50
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-1
+0
  44
 1.0
   0
-DIMENSION
+LEADER
   5
 70
-100
-AcDbEntity
   8
 dimensions
  62
@@ -3361,64 +3359,6 @@
   6
 CONTINUOUS
 100
-AcDbDimension
- 10
-180.0
- 20
-79.75
- 30
-0.0
- 11
-140.0
- 21
-81.375
- 31
-0.0
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-0
- 71
-5
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-0
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-
-  3
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-0.0
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-  0
-LEADER
-  5
-71
-  8
-dimensions
- 62
-256
-370
-5
-  6
-CONTINUOUS
-100
 AcDbEntity
 100
 AcDbLeader
@@ -3451,7 +3391,7 @@
   0
 DIMENSION
   5
-72
+71
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   8
@@ -3481,7 +3421,7 @@
  71
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  72
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-73
+72
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 AcDbEntity
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+73
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Modified: trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad
===================================================================
--- trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad	2011-04-23 15:28:39 UTC (rev 4105)
+++ trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad	2011-04-24 23:09:07 UTC (rev 4106)
@@ -862,8 +862,19 @@
 	}
 }
 
+// Spacer to fit Prusa X carriage
 
+module prusa_spacer()
+{
+	difference()
+	{
+		cylinder(r=6, h=15, center=true,$fn=4);
+		cylinder(r=2, h=25, center=true,$fn=40);
+	}
+}
 
+
+
 //------------------------------------------------------------------
 
 // Uncomment to check hole interference
@@ -939,6 +950,11 @@
 //belt_clamp(); // 2 off
 //----
 
+// For Prusa
+//----
+//prusa_spacer(); // 2 off
+//----
+
 // For all
 
 //hob_jig();


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.

[reprap-commits] SF.net SVN: reprap:[4105] trunk/huxley/OpenSCAD-huxley/Design-drawings/ hot-end.dxf

From: <adr...@us...> - 2011-04-23 15:28:46

Revision: 4105
          http://reprap.svn.sourceforge.net/reprap/?rev=4105&view=rev
Author:   adrian-bowyer
Date:     2011-04-23 15:28:39 +0000 (Sat, 23 Apr 2011)

Log Message:
-----------
Huxley extruder design.

Modified Paths:
--------------
    trunk/huxley/OpenSCAD-huxley/Design-drawings/hot-end.dxf

Modified: trunk/huxley/OpenSCAD-huxley/Design-drawings/hot-end.dxf
===================================================================
--- trunk/huxley/OpenSCAD-huxley/Design-drawings/hot-end.dxf	2011-04-21 20:55:14 UTC (rev 4104)
+++ trunk/huxley/OpenSCAD-huxley/Design-drawings/hot-end.dxf	2011-04-23 15:28:39 UTC (rev 4105)
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+E7
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+E9
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@@ -7329,7 +7289,7 @@
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   5
-EB
+EA
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@@ -7355,7 +7315,7 @@
  71
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-0
+2
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   7
@@ -7363,13 +7323,13 @@
  50
 0.0
  73
-1
+0
  44
 1.0
   0
 LEADER
   5
-EC
+EB
   8
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  62
@@ -7411,7 +7371,7 @@
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-ED
+EC
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 AcDbEntity
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@@ -7441,7 +7401,7 @@
  71
 5
  72
-1
+0
  41
 1.0
  42
@@ -7471,7 +7431,7 @@
   0
 LEADER
   5
-EE
+ED
   8
 dimensions
  62
@@ -7513,7 +7473,7 @@
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-EF
+EE
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 AcDbEntity
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@@ -7541,7 +7501,7 @@
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-F0
+EF
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@@ -7569,7 +7529,7 @@
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This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.

[reprap-commits] SF.net SVN: reprap:[4104] trunk/huxley/OpenSCAD-huxley

From: <adr...@us...> - 2011-04-21 20:55:20

Revision: 4104
          http://reprap.svn.sourceforge.net/reprap/?rev=4104&view=rev
Author:   adrian-bowyer
Date:     2011-04-21 20:55:14 +0000 (Thu, 21 Apr 2011)

Log Message:
-----------
Huxley extruder design.  WIP.

Modified Paths:
--------------
    trunk/huxley/OpenSCAD-huxley/parameters.scad
    trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad

Modified: trunk/huxley/OpenSCAD-huxley/parameters.scad
===================================================================
--- trunk/huxley/OpenSCAD-huxley/parameters.scad	2011-04-21 15:15:52 UTC (rev 4103)
+++ trunk/huxley/OpenSCAD-huxley/parameters.scad	2011-04-21 20:55:14 UTC (rev 4104)
@@ -2,7 +2,7 @@
 
 // Set ONE OF these true.
 
-huxley=true;
+huxley=false;
 mendel=!huxley;
 
 

Modified: trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad
===================================================================
--- trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad	2011-04-21 15:15:52 UTC (rev 4103)
+++ trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad	2011-04-21 20:55:14 UTC (rev 4104)
@@ -43,7 +43,7 @@
 motor_position=[-motor_radius*cos(motor_angle), 1, motor_radius*sin(motor_angle)];
 
 fixed_block_position=[0,0,10];
-duct_offset=[-5.5,0,10];
+duct_offset=[-5.5,0,7];
 base_position=[0,0,-3];
 clamp_position=[-12, -44, -9];
 drive_assembly_position=[hub_x,filament_y_offset,hub_z];
@@ -539,8 +539,10 @@
 {	
 	difference()
 	{
-		cube([45,20,50],center=true);
-		cube([41,16,46],center=true);
+		translate([0,0,1])
+			cube([45,20,52],center=true);
+		translate([0,0,1])
+			cube([41,16,48],center=true);
 		translate(fixed_block_position-duct_offset)
 			nozzle_holes(teardrop_angle=180);
 		translate([10,0,9])
@@ -703,15 +705,10 @@
 			translate([24.5,0,10])
 				difference()
 				{
-					translate([-2+(fan_thickness-7)/2,0,-4])
-						cube([9+fan_thickness-7,20,17], center = true);
-					translate([-7+fan_thickness-7,0,4])
-						cube([14,30,8], center = true);
-					translate([-10+(fan_thickness-7)/2,0,1.5])
-						cube([16+fan_thickness-7,30,18], center = true);
-					translate([fan_thickness-7, 0, 4.5/sin(45)])
-						rotate([0,45,0])
-							cube([9,30,9], center = true);
+					translate([-4.5,0,-4.5])
+						cube([6,20,16], center = true);
+					translate([-11,0,-2])
+						cube([14,30,12], center = true);
 				}
 		}
 	}
@@ -899,33 +896,33 @@
 translate(duct_offset)
 	duct();
 
-translate(base_position)
+translate(base_position+[0,0,-3.2])
 	base_plate();
 
 if(huxley)
 	translate(clamp_position)
 		belt_clamp();
 
-//translate(motor_plate_position)
-//	motor_plate();
+translate(motor_plate_position)
+	motor_plate();
 
-//translate(motor_plate_clip_position)
-//	motor_plate_clip();
+translate(motor_plate_clip_position)
+	motor_plate_clip();
 
-//translate(spacer_position)
-//	motor_spacer();
+translate(spacer_position)
+	motor_spacer();
 
-//translate(lever_offset)
-//	lever();
+translate(lever_offset)
+	lever();
 
-//translate(drive_assembly_position)
-//	drive_assembly();
+translate(drive_assembly_position)
+	drive_assembly();
 
-//translate(fan_position)
-//	fan();
+translate(fan_position)
+	fan();
 
-//translate(accessories_position)
-//	accessories();
+translate(accessories_position)
+	accessories();
 //-----------------------------------------------------------------
 
 


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[reprap-commits] SF.net SVN: reprap:[4103] trunk/users/adrian/Dissemination/ reprap-handout-2011.pdf

From: <adr...@us...> - 2011-04-21 15:15:58

Revision: 4103
          http://reprap.svn.sourceforge.net/reprap/?rev=4103&view=rev
Author:   adrian-bowyer
Date:     2011-04-21 15:15:52 +0000 (Thu, 21 Apr 2011)

Log Message:
-----------
RepRap publicity material for exhibitions etc.

Added Paths:
-----------
    trunk/users/adrian/Dissemination/reprap-handout-2011.pdf

Added: trunk/users/adrian/Dissemination/reprap-handout-2011.pdf
===================================================================
(Binary files differ)


Property changes on: trunk/users/adrian/Dissemination/reprap-handout-2011.pdf
___________________________________________________________________
Added: svn:mime-type
   + application/octet-stream


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.

[reprap-commits] SF.net SVN: reprap:[4102] trunk/users/adrian/Dissemination

From: <adr...@us...> - 2011-04-21 15:07:54

Revision: 4102
          http://reprap.svn.sourceforge.net/reprap/?rev=4102&view=rev
Author:   adrian-bowyer
Date:     2011-04-21 15:07:47 +0000 (Thu, 21 Apr 2011)

Log Message:
-----------
RepRap publicity material for exhibitions etc.

Modified Paths:
--------------
    trunk/users/adrian/Dissemination/reprap-handout-2011.odt

Added Paths:
-----------
    trunk/users/adrian/Dissemination/reprap-exhibition-banner.pdf
    trunk/users/adrian/Dissemination/reprap-exhibition-banner.svg
    trunk/users/adrian/Dissemination/reprap-logo.png
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Added: trunk/users/adrian/Dissemination/reprap-exhibition-banner.pdf
===================================================================
(Binary files differ)


Property changes on: trunk/users/adrian/Dissemination/reprap-exhibition-banner.pdf
___________________________________________________________________
Added: svn:mime-type
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Added: trunk/users/adrian/Dissemination/reprap-exhibition-banner.svg
===================================================================
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+++ trunk/users/adrian/Dissemination/reprap-exhibition-banner.svg	2011-04-21 15:07:47 UTC (rev 4102)
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Property changes on: trunk/users/adrian/Dissemination/reprap-exhibition-banner.svg
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Property changes on: trunk/users/adrian/Dissemination/reprap-logo.png
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@@ -0,0 +1,105 @@
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Property changes on: trunk/users/adrian/Dissemination/reprap-logo.svg
___________________________________________________________________
Added: svn:executable
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This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.

[reprap-commits] SF.net SVN: reprap:[4101] trunk/huxley/OpenSCAD-huxley/universal-1. 75mm-filament-extruder.scad

From: <adr...@us...> - 2011-04-20 20:25:05

Revision: 4101
          http://reprap.svn.sourceforge.net/reprap/?rev=4101&view=rev
Author:   adrian-bowyer
Date:     2011-04-20 20:24:59 +0000 (Wed, 20 Apr 2011)

Log Message:
-----------
Huxley extruder design.  WIP.

Modified Paths:
--------------
    trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad

Modified: trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad
===================================================================
--- trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad	2011-04-19 22:05:19 UTC (rev 4100)
+++ trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad	2011-04-20 20:24:59 UTC (rev 4101)
@@ -44,7 +44,7 @@
 
 fixed_block_position=[0,0,10];
 duct_offset=[-5.5,0,10];
-base_position=[0,0,-3.5];
+base_position=[0,0,-3];
 clamp_position=[-12, -44, -9];
 drive_assembly_position=[hub_x,filament_y_offset,hub_z];
 motor_plate_position=[0,-fixed_block_width/2-fat_plate_thickness/2,5+back_plate_height/2];
@@ -203,11 +203,7 @@
 module accessories(holes=false,  teardrop_angle=270)
 {
 
-	// Fan
 
-	translate(fan_position)
-		fan();
-
 	if(huxley)
 		translate([0,0,-bearing_depth/2])
 		{
@@ -230,7 +226,7 @@
 				//360 bearings
 		
 		
-					translate([i*20, -x_bar_gap/2, 0])
+					translate([i*30, -x_bar_gap/2, 0])
 						rotate([90,0,-90])
 							if(holes)
 								adjustable_bearing(true,  teardrop_angle);
@@ -241,7 +237,7 @@
 
 		// 180 bearing
 	
-			translate([20, x_bar_gap/2, 0])
+			translate([30, x_bar_gap/2, 0])
 				rotate([90, 0,90])
 					if(holes)
 						adjustable_bearing(false,  teardrop_angle);
@@ -251,13 +247,6 @@
 
 	if(holes)
 	{
-	
-		// Nozzle
-	
-		translate([0, 0, -23+plate_thickness])
-		cylinder(h=46,r=4,center=true, $fn=15);
-		nozzle_holes();
-
 		if(mendel)
 		{
 			for(i=[-1,1])
@@ -628,6 +617,7 @@
 
 		difference()
 		{
+			translate([-2, 0, 0])
 			union()
 			{
 				translate([0, 0, plate_thickness/2])
@@ -643,7 +633,7 @@
 					}
 			}
 
-			translate([-21, 0, 0])
+			translate([-23.25, 0, 0])
 				cube([10.5,21,30], center=true);
 
 			// Nozzle
@@ -654,10 +644,11 @@
 			translate(-base_position)
 				nozzle_holes();
 
-			translate(accessories_position-base_position)
+			translate(accessories_position-base_position+[-2, 0, 0])
 				accessories(holes=true,  teardrop_angle=361);
-	
-			bracket_holes(teardrop_angle=90);
+
+			translate([-2, 0, 0])
+				bracket_holes(teardrop_angle=90);
 		}
 		/*difference()
 		{
@@ -905,8 +896,8 @@
 translate(fixed_block_position)
 	fixed_block();
 
-//translate(duct_offset)
-//	duct();
+translate(duct_offset)
+	duct();
 
 translate(base_position)
 	base_plate();
@@ -915,11 +906,11 @@
 	translate(clamp_position)
 		belt_clamp();
 
-translate(motor_plate_position)
-	motor_plate();
+//translate(motor_plate_position)
+//	motor_plate();
 
-translate(motor_plate_clip_position)
-	motor_plate_clip();
+//translate(motor_plate_clip_position)
+//	motor_plate_clip();
 
 //translate(spacer_position)
 //	motor_spacer();
@@ -927,11 +918,11 @@
 //translate(lever_offset)
 //	lever();
 
-translate(drive_assembly_position)
-	drive_assembly();
+//translate(drive_assembly_position)
+//	drive_assembly();
 
-translate(fan_position)
-	fan();
+//translate(fan_position)
+//	fan();
 
 //translate(accessories_position)
 //	accessories();


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.

[reprap-commits] SF.net SVN: reprap:[4100] trunk/huxley/OpenSCAD-huxley

From: <adr...@us...> - 2011-04-19 22:05:25

Revision: 4100
          http://reprap.svn.sourceforge.net/reprap/?rev=4100&view=rev
Author:   adrian-bowyer
Date:     2011-04-19 22:05:19 +0000 (Tue, 19 Apr 2011)

Log Message:
-----------
Huxley extruder design.  WIP.

Modified Paths:
--------------
    trunk/huxley/OpenSCAD-huxley/parameters.scad
    trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad

Modified: trunk/huxley/OpenSCAD-huxley/parameters.scad
===================================================================
--- trunk/huxley/OpenSCAD-huxley/parameters.scad	2011-04-19 17:14:52 UTC (rev 4099)
+++ trunk/huxley/OpenSCAD-huxley/parameters.scad	2011-04-19 22:05:19 UTC (rev 4100)
@@ -12,7 +12,7 @@
 // The relative location in your file system where the .dxf files are
 // DXFs are for quick development.  They should be replaced by parameterised CSG in dure course.
 
-fileroot="Design-drawings/";
+fileroot="DXF-files/";
 
 rodsize = 6;	//threaded/smooth rod diameter in mm
 xaxis = 182.5;	//width of base in mm

Modified: trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad
===================================================================
--- trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad	2011-04-19 17:14:52 UTC (rev 4099)
+++ trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad	2011-04-19 22:05:19 UTC (rev 4100)
@@ -31,6 +31,7 @@
 filament_radius=1.75/2;	// The name says it...
 hub_x=-3-filament_radius;	// How far from the Z axix is the driven shaft (which is 6mm in diameter)
 hub_z=31;				// Relative Z position of the drive assembly
+fan_thickness=10;		// Some are 7; some are 10...
 
 
 // Offsets to put items in the right relative positions
@@ -41,19 +42,17 @@
 back_plate_position=[0,fixed_block_width/2+fat_plate_thickness/2,5+back_plate_height/2];
 motor_position=[-motor_radius*cos(motor_angle), 1, motor_radius*sin(motor_angle)];
 
-base_shift=[-2,0,3];
-
 fixed_block_position=[0,0,10];
 duct_offset=[-5.5,0,10];
-base_position=[0,0,-3.5] + base_shift;
-clamp_position=[-12, -44, -12] + base_shift;
+base_position=[0,0,-3.5];
+clamp_position=[-12, -44, -9];
 drive_assembly_position=[hub_x,filament_y_offset,hub_z];
 motor_plate_position=[0,-fixed_block_width/2-fat_plate_thickness/2,5+back_plate_height/2];
 motor_plate_clip_position=[24.5,-20.5,15]+fixed_block_position;
 spacer_position=drive_assembly_position + motor_position + [0, 10.75, 0];
 lever_offset=[0,0,hub_z];
-fan_position=[21.5,0,27];
-accessories_position=[0,0,-3.2] + base_shift;
+fan_position=[21.5 + (fan_thickness-7)/2,0,27];
+accessories_position=[0,0,0];
 motor_add=[0, 0, 0];
 gear_add=[0, 0, 0];
 bearing_add=[0, 0, 0];
@@ -72,7 +71,7 @@
 spacer_position=drive_assembly_position + motor_position + [0, 10.75, 0] + [0, 0, 0];
 lever_offset=[0,0,hub_z] + [0, 0, 35];
 fan_position=[21.5,0,27] + [30, 0, 0];
-accessories_position=[0,0,-3.2] + [0, 0, 0];
+accessories_position=[0,0,0] + [0, 0, 0];
 motor_add=[0, 0, -20];
 gear_add=[0, -40, 0];
 bearing_add=[0, 0, 30];
@@ -192,20 +191,24 @@
 	else
 	difference()
 	{
-		cube([7,40,40], center=true);
+		cube([fan_thickness,40,40], center=true);
 		rotate([0,90,0])
-			cylinder(h=10, r=17, center=true,$fn=35);
+			cylinder(h=20, r=17, center=true,$fn=35);
 		fan_holes();
 	}
 }
 
 // Some other non-reprapped VITAMIN s
 
-module accessories(holes=false,  teardrop_angle=361)
+module accessories(holes=false,  teardrop_angle=270)
 {
 
+	// Fan
+
+	translate(fan_position)
+		fan();
+
 	if(huxley)
-	{
 		translate([0,0,-bearing_depth/2])
 		{
 
@@ -227,33 +230,42 @@
 				//360 bearings
 		
 		
-					translate([i*30, -x_bar_gap/2, 0])
+					translate([i*20, -x_bar_gap/2, 0])
 						rotate([90,0,-90])
 							if(holes)
 								adjustable_bearing(true,  teardrop_angle);
 							else
-								adjustable_bearing(true, -1);
+								adjustable_bearing(true,-1);
 		
 			}
 
 		// 180 bearing
 	
-			translate([30, x_bar_gap/2, 0])
+			translate([20, x_bar_gap/2, 0])
 				rotate([90, 0,90])
 					if(holes)
 						adjustable_bearing(false,  teardrop_angle);
 					else
 						adjustable_bearing(false,-1);
 		}
-	} else
+
+	if(holes)
 	{
-		if(holes)
+	
+		// Nozzle
+	
+		translate([0, 0, -23+plate_thickness])
+		cylinder(h=46,r=4,center=true, $fn=15);
+		nozzle_holes();
+
+		if(mendel)
 		{
 			for(i=[-1,1])
 				translate([20, i*25, 0])
 					cylinder(h=50,r=2,center=true, $fn=15);
 		}
 	}
+
 }
 
 
@@ -446,10 +458,10 @@
 			{
 				union()
 				{
-					translate([0,0,0])
-						cube([36,fixed_block_width,10], center=true);
-					translate([-11.5,0,14 + (back_plate_height - 38)/2])
-						cube([13,33,back_plate_height], center=true);
+					translate([0,0,-1.5])
+						cube([36,fixed_block_width,13], center=true);
+					translate([-11.5,0,12.5 + (back_plate_height - 38)/2])
+						cube([13,33,back_plate_height+3], center=true);
 					
 					difference()
 					{
@@ -474,21 +486,24 @@
 			translate(back_plate_position-fixed_block_position)
 				difference()
 				{
-					cube([36,fat_plate_thickness,back_plate_height], center=true);
+					translate([0,0,-1.5])
+						cube([36,fat_plate_thickness,back_plate_height+3], center=true);
 					translate(drive_assembly_position-back_plate_position)
 						m6_shaft(body=false,big_hole=7.5,  teardrop_angle=180);
 				}
 
+			// Fan clip
+
 			translate([24.5,20.5,15])
 				difference()
 				{
-					translate([-2,0,0])
-						cube([9,8,20], center = true);
-					translate([-8,-4,0])
-						cube([16,8,30], center = true);
-					translate([0,-4/sin(45),0])
+					translate([-2+(fan_thickness-7)/2,0,0])
+						cube([9+fan_thickness-7,8,20], center = true);
+					translate([-7+fan_thickness-7,-4,0])
+						cube([14,8,30], center = true);
+					translate([fan_thickness-7,-4.5/sin(45),0])
 						rotate([0,0,45])
-							cube([8,8,30], center = true);
+							cube([9,9,30], center = true);
 				}
 
 			translate([-2,0,back_plate_height-8])
@@ -597,7 +612,8 @@
 {
 	difference()
 	{
-		cube([8,5,18], center=true);
+		translate([0, 0, 0])
+			cube([8,5,18], center=true);
 		translate(base_position-clamp_position)
 			bracket_holes(teardrop_angle=-1);
 	}
@@ -609,6 +625,7 @@
 {
 	if(huxley)
 	{
+
 		difference()
 		{
 			union()
@@ -642,6 +659,26 @@
 	
 			bracket_holes(teardrop_angle=90);
 		}
+		/*difference()
+		{
+			union()
+			{
+				translate([0, 0, plate_thickness/2])
+					cube([50,60,plate_thickness], center=true);
+				if(huxley)
+					translate([0, -29,-8.5+plate_thickness/2])
+						difference()
+						{
+							cube([32, 20, 22], center=true);
+							translate([0, 8, -4])
+								cube([40, 20, 20], center=true);
+						}
+			}
+			accessories(holes=true, angle=361);
+	
+			translate(bracket_position-base_position)
+				bracket_holes(teardrop_angle=90);
+		}*/
 	} else
 	{
 		union()
@@ -671,18 +708,19 @@
 						cube([4,10,100],center=true);
 				}
 			}
+
 			translate([24.5,0,10])
 				difference()
 				{
-					translate([-2,0,-4])
-						cube([9,20,17], center = true);
-					translate([-8,0,4])
-						cube([16,30,8], center = true);
-					translate([-10,0,1.5])
-						cube([16,30,18], center = true);
-					translate([0,0,4/sin(45)])
+					translate([-2+(fan_thickness-7)/2,0,-4])
+						cube([9+fan_thickness-7,20,17], center = true);
+					translate([-7+fan_thickness-7,0,4])
+						cube([14,30,8], center = true);
+					translate([-10+(fan_thickness-7)/2,0,1.5])
+						cube([16+fan_thickness-7,30,18], center = true);
+					translate([fan_thickness-7, 0, 4.5/sin(45)])
 						rotate([0,45,0])
-							cube([8,30,8], center = true);
+							cube([9,30,9], center = true);
 				}
 		}
 	}
@@ -793,8 +831,8 @@
 {
 		difference()
 		{
-			translate([-motor_plate_extra_x/2, 0, 0])
-				cube([36+motor_plate_extra_x,fat_plate_thickness,back_plate_height], center=true);
+			translate([-motor_plate_extra_x/2, 0, -1.5])
+				cube([36+motor_plate_extra_x,fat_plate_thickness,back_plate_height+3], center=true);
 			translate([-motor_plate_extra_x/2-23,0,-26])
 				cube([36,20,20], center=true);
 			translate([-motor_plate_extra_x/2-18.5,0,26])
@@ -817,22 +855,22 @@
 
 // The clip on the motor plate that holds the fan - reprap separately then glue on
 
-module motor_plate_clip()
+module motor_plate_clip(side = 1)
 {
 	difference()
 	{
-		translate([-2,0,0])
+		translate([-2+(fan_thickness-7)/2,0,0])
 		{
-			cube([9,8,20], center = true);
+			cube([9+fan_thickness-7,8,20], center = true);
 			translate([-4,0,0])
 				rotate([0,45,0])
 					cube([8,8,8], center = true);
 		}
-		translate([-8,4,0])
-			cube([16,8,30], center = true);
-		translate([0,4/sin(45),0])
+		translate([-7+fan_thickness-7,side*4,0])
+			cube([14,8,30], center = true);
+		translate([fan_thickness-7,side*4.5/sin(45),0])
 			rotate([0,0,45])
-				cube([8,8,30], center = true);
+				cube([9,9,30], center = true);
 	}
 }
 
@@ -873,15 +911,15 @@
 translate(base_position)
 	base_plate();
 
-//if(huxley)
-//	translate(clamp_position)
-//		belt_clamp();
+if(huxley)
+	translate(clamp_position)
+		belt_clamp();
 
-//translate(motor_plate_position)
-//	motor_plate();
+translate(motor_plate_position)
+	motor_plate();
 
-//translate(motor_plate_clip_position)
-//	motor_plate_clip();
+translate(motor_plate_clip_position)
+	motor_plate_clip();
 
 //translate(spacer_position)
 //	motor_spacer();
@@ -892,8 +930,8 @@
 translate(drive_assembly_position)
 	drive_assembly();
 
-//translate(fan_position)
-//	fan();
+translate(fan_position)
+	fan();
 
 //translate(accessories_position)
 //	accessories();


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[reprap-commits] SF.net SVN: reprap:[4099] trunk/software/host

From: <Rhy...@us...> - 2011-04-19 17:14:58

Revision: 4099
          http://reprap.svn.sourceforge.net/reprap/?rev=4099&view=rev
Author:   Rhys-Jones
Date:     2011-04-19 17:14:52 +0000 (Tue, 19 Apr 2011)

Log Message:
-----------
Update to allow infill to be defined as a percentage

Modified Paths:
--------------
    trunk/software/host/lib/reprap.properties.dist
    trunk/software/host/src/org/reprap/devices/GenericExtruder.java

Modified: trunk/software/host/lib/reprap.properties.dist
===================================================================
--- trunk/software/host/lib/reprap.properties.dist	2011-04-18 22:37:44 UTC (rev 4098)
+++ trunk/software/host/lib/reprap.properties.dist	2011-04-19 17:14:52 UTC (rev 4099)
@@ -23,6 +23,7 @@
 Extruder0_ExtrusionInfillWidth(mm)=0.7
 Extruder0_ExtrusionLastFoundationWidth(mm)=2
 Extruder0_ExtrusionOverRun(mm)=-1
+Extruder0_ExtrusionPercentInfill(0..1)=0.71
 Extruder0_ExtrusionPWM(0..1)=-1
 Extruder0_ExtrusionSize(mm)=0.5
 Extruder0_ExtrusionSpeed(mm/minute)=3500
@@ -86,6 +87,7 @@
 Extruder1_OffsetY(mm)=0
 Extruder1_OffsetZ(mm)=0
 Extruder1_OutlineSpeed(0..1)=0.9
+Extruder1_ExtrusionPercentInfill(0..1)=0.20
 Extruder1_Purge(ms)=30000
 Extruder1_Reverse(ms)=1200
 Extruder1_SlowXYFeedrate(mm/minute)=1500.0
@@ -111,6 +113,7 @@
 Extruder2_ExtrusionInfillWidth(mm)=1.5
 Extruder2_ExtrusionLastFoundationWidth(mm)=2
 Extruder2_ExtrusionOverRun(mm)=0
+Extruder2_ExtrusionPercentInfill(0..1)=0.33
 Extruder2_ExtrusionPWM(0..1)=-1
 Extruder2_ExtrusionSize(mm)=0.5
 Extruder2_ExtrusionSpeed(mm/minute)=3500
@@ -156,6 +159,7 @@
 Extruder3_ExtrusionInfillWidth(mm)=1.5
 Extruder3_ExtrusionLastFoundationWidth(mm)=2
 Extruder3_ExtrusionOverRun(mm)=0
+Extruder3_ExtrusionPercentInfill(0..1)=0.20
 Extruder3_ExtrusionPWM(0..1)=-1
 Extruder3_ExtrusionSize(mm)=0.3
 Extruder3_ExtrusionSpeed(mm/minute)=3000

Modified: trunk/software/host/src/org/reprap/devices/GenericExtruder.java
===================================================================
--- trunk/software/host/src/org/reprap/devices/GenericExtruder.java	2011-04-18 22:37:44 UTC (rev 4098)
+++ trunk/software/host/src/org/reprap/devices/GenericExtruder.java	2011-04-19 17:14:52 UTC (rev 4099)
@@ -410,10 +410,13 @@
 			extrusionPWM = Preferences.loadGlobalDouble(prefName + "ExtrusionPWM(0..1)");
 			extrusionTemp = Preferences.loadGlobalDouble(prefName + "ExtrusionTemp(C)");
 			extrusionSize = Preferences.loadGlobalDouble(prefName + "ExtrusionSize(mm)");
-			extrusionHeight = Preferences.loadGlobalDouble(prefName + "ExtrusionHeight(mm)");
-			extrusionInfillWidth = Preferences.loadGlobalDouble(prefName + "ExtrusionInfillWidth(mm)");
-			lowerFineLayers = 3; //Preferences.loadGlobalInt(prefName + "LowerFineLayers(0...)");
-			upperFineLayers = 3; //Preferences.loadGlobalInt(prefName + "UpperFineLayers(0...)");
+			extrusionHeight = Preferences.loadGlobalDouble(prefName + "ExtrusionHeight(mm)");		
+			if (Preferences.loadGlobalDouble(prefName + "ExtrusionInfillWidth(mm)")==-1)
+				extrusionInfillWidth =  extrusionSize/Preferences.loadGlobalDouble(prefName + "ExtrusionPercentInfill(0..1)");
+			else
+				extrusionInfillWidth =  Preferences.loadGlobalDouble(prefName + "ExtrusionInfillWidth(mm)");
+			lowerFineLayers = 2; //Preferences.loadGlobalInt(prefName + "LowerFineLayers(0...)");
+			upperFineLayers = 2; //Preferences.loadGlobalInt(prefName + "UpperFineLayers(0...)");
 			extrusionBroadWidth = Preferences.loadGlobalDouble(prefName + "ExtrusionBroadWidth(mm)");		
 			coolingPeriod = Preferences.loadGlobalDouble(prefName + "CoolingPeriod(s)");
 			fastXYFeedrate = Preferences.loadGlobalDouble(prefName + "FastXYFeedrate(mm/minute)");


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[reprap-commits] SF.net SVN: reprap:[4098] trunk/huxley/OpenSCAD-huxley/universal-1. 75mm-filament-extruder.scad

From: <adr...@us...> - 2011-04-18 22:37:51

Revision: 4098
          http://reprap.svn.sourceforge.net/reprap/?rev=4098&view=rev
Author:   adrian-bowyer
Date:     2011-04-18 22:37:44 +0000 (Mon, 18 Apr 2011)

Log Message:
-----------
Huxley extruder design.  WIP.

Modified Paths:
--------------
    trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad

Modified: trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad
===================================================================
--- trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad	2011-04-18 00:34:05 UTC (rev 4097)
+++ trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad	2011-04-18 22:37:44 UTC (rev 4098)
@@ -41,17 +41,19 @@
 back_plate_position=[0,fixed_block_width/2+fat_plate_thickness/2,5+back_plate_height/2];
 motor_position=[-motor_radius*cos(motor_angle), 1, motor_radius*sin(motor_angle)];
 
+base_shift=[-2,0,3];
+
 fixed_block_position=[0,0,10];
 duct_offset=[-5.5,0,10];
-base_position=[0,0,-3.5];
-clamp_position=[-12, -44, -12];
+base_position=[0,0,-3.5] + base_shift;
+clamp_position=[-12, -44, -12] + base_shift;
 drive_assembly_position=[hub_x,filament_y_offset,hub_z];
 motor_plate_position=[0,-fixed_block_width/2-fat_plate_thickness/2,5+back_plate_height/2];
 motor_plate_clip_position=[24.5,-20.5,15]+fixed_block_position;
 spacer_position=drive_assembly_position + motor_position + [0, 10.75, 0];
 lever_offset=[0,0,hub_z];
 fan_position=[21.5,0,27];
-accessories_position=[0,0,-3.2];
+accessories_position=[0,0,-3.2] + base_shift;
 motor_add=[0, 0, 0];
 gear_add=[0, 0, 0];
 bearing_add=[0, 0, 0];
@@ -70,7 +72,7 @@
 spacer_position=drive_assembly_position + motor_position + [0, 10.75, 0] + [0, 0, 0];
 lever_offset=[0,0,hub_z] + [0, 0, 35];
 fan_position=[21.5,0,27] + [30, 0, 0];
-accessories_position=[0,0,0] + [0, 0, 0];
+accessories_position=[0,0,-3.2] + [0, 0, 0];
 motor_add=[0, 0, -20];
 gear_add=[0, -40, 0];
 bearing_add=[0, 0, 30];
@@ -199,10 +201,11 @@
 
 // Some other non-reprapped VITAMIN s
 
-module accessories(holes=false,  teardrop_angle=270)
+module accessories(holes=false,  teardrop_angle=361)
 {
 
 	if(huxley)
+	{
 		translate([0,0,-bearing_depth/2])
 		{
 
@@ -229,7 +232,7 @@
 							if(holes)
 								adjustable_bearing(true,  teardrop_angle);
 							else
-								adjustable_bearing(true,-1);
+								adjustable_bearing(true, -1);
 		
 			}
 
@@ -242,24 +245,15 @@
 					else
 						adjustable_bearing(false,-1);
 		}
-
-	if(holes)
+	} else
 	{
-	
-		// Nozzle
-	
-		translate([0, 0, -23+plate_thickness])
-		cylinder(h=46,r=4,center=true, $fn=15);
-		nozzle_holes();
-
-		if(mendel)
+		if(holes)
 		{
 			for(i=[-1,1])
 				translate([20, i*25, 0])
 					cylinder(h=50,r=2,center=true, $fn=15);
 		}
 	}
-
 }
 
 
@@ -452,7 +446,8 @@
 			{
 				union()
 				{
-					cube([36,fixed_block_width,10], center=true);
+					translate([0,0,0])
+						cube([36,fixed_block_width,10], center=true);
 					translate([-11.5,0,14 + (back_plate_height - 38)/2])
 						cube([13,33,back_plate_height], center=true);
 					
@@ -602,8 +597,7 @@
 {
 	difference()
 	{
-		translate([0, 0, 0])
-			cube([8,5,18], center=true);
+		cube([8,5,18], center=true);
 		translate(base_position-clamp_position)
 			bracket_holes(teardrop_angle=-1);
 	}
@@ -615,23 +609,36 @@
 {
 	if(huxley)
 	{
-
 		difference()
 		{
 			union()
 			{
 				translate([0, 0, plate_thickness/2])
 					cube([70,60,plate_thickness], center=true);
-				if(huxley)
-					translate([0, -29,-8.5+plate_thickness/2])
-						difference()
-						{
-							cube([32, 20, 22], center=true);
-							translate([0, 8, -4])
-								cube([40, 20, 20], center=true);
-						}
+				translate([-6, 0, -2])
+					cube([34,20,7], center=true);
+				translate([0, -29,-8.5+plate_thickness/2])
+					difference()
+					{
+						cube([32, 20, 22], center=true);
+						translate([0, 8, -4])
+							cube([40, 20, 20], center=true);
+					}
 			}
-			accessories(holes=true, angle=361);
+
+			translate([-21, 0, 0])
+				cube([10.5,21,30], center=true);
+
+			// Nozzle
+		
+			translate([0, 0, -23+plate_thickness]-base_position)
+				cylinder(h=46,r=4,center=true, $fn=15);
+
+			translate(-base_position)
+				nozzle_holes();
+
+			translate(accessories_position-base_position)
+				accessories(holes=true,  teardrop_angle=361);
 	
 			bracket_holes(teardrop_angle=90);
 		}
@@ -857,39 +864,39 @@
 
 // Uncomment to get entire assembly
 
-//translate(fixed_block_position)
-//	fixed_block();
+translate(fixed_block_position)
+	fixed_block();
 
-translate(duct_offset)
-	duct();
+//translate(duct_offset)
+//	duct();
 
 translate(base_position)
 	base_plate();
 
-if(huxley)
-	translate(clamp_position)
-		belt_clamp();
+//if(huxley)
+//	translate(clamp_position)
+//		belt_clamp();
 
 //translate(motor_plate_position)
 //	motor_plate();
-/*
-translate(motor_plate_clip_position)
-	motor_plate_clip();
 
-translate(spacer_position)
-	motor_spacer();
+//translate(motor_plate_clip_position)
+//	motor_plate_clip();
 
-translate(lever_offset)
-	lever();
+//translate(spacer_position)
+//	motor_spacer();
 
+//translate(lever_offset)
+//	lever();
+
 translate(drive_assembly_position)
 	drive_assembly();
 
-translate(fan_position)
-	fan();
-*/
-translate(accessories_position)
-	accessories();
+//translate(fan_position)
+//	fan();
+
+//translate(accessories_position)
+//	accessories();
 //-----------------------------------------------------------------
 
 


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[reprap-commits] SF.net SVN: reprap:[4097] trunk/huxley/OpenSCAD-huxley

From: <adr...@us...> - 2011-04-18 00:34:11

Revision: 4097
          http://reprap.svn.sourceforge.net/reprap/?rev=4097&view=rev
Author:   adrian-bowyer
Date:     2011-04-18 00:34:05 +0000 (Mon, 18 Apr 2011)

Log Message:
-----------
Huxley extruder design.  WIP.

Modified Paths:
--------------
    trunk/huxley/OpenSCAD-huxley/parameters.scad
    trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad

Modified: trunk/huxley/OpenSCAD-huxley/parameters.scad
===================================================================
--- trunk/huxley/OpenSCAD-huxley/parameters.scad	2011-04-14 19:44:29 UTC (rev 4096)
+++ trunk/huxley/OpenSCAD-huxley/parameters.scad	2011-04-18 00:34:05 UTC (rev 4097)
@@ -2,8 +2,8 @@
 
 // Set ONE OF these true.
 
-huxley=false;
-mendel=true;
+huxley=true;
+mendel=!huxley;
 
 
 
@@ -12,7 +12,7 @@
 // The relative location in your file system where the .dxf files are
 // DXFs are for quick development.  They should be replaced by parameterised CSG in dure course.
 
-fileroot="DXF-files/";
+fileroot="Design-drawings/";
 
 rodsize = 6;	//threaded/smooth rod diameter in mm
 xaxis = 182.5;	//width of base in mm

Modified: trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad
===================================================================
--- trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad	2011-04-14 19:44:29 UTC (rev 4096)
+++ trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad	2011-04-18 00:34:05 UTC (rev 4097)
@@ -44,14 +44,14 @@
 fixed_block_position=[0,0,10];
 duct_offset=[-5.5,0,10];
 base_position=[0,0,-3.5];
-clamp_position=[-12, -44, -9];
+clamp_position=[-12, -44, -12];
 drive_assembly_position=[hub_x,filament_y_offset,hub_z];
 motor_plate_position=[0,-fixed_block_width/2-fat_plate_thickness/2,5+back_plate_height/2];
 motor_plate_clip_position=[24.5,-20.5,15]+fixed_block_position;
 spacer_position=drive_assembly_position + motor_position + [0, 10.75, 0];
 lever_offset=[0,0,hub_z];
 fan_position=[21.5,0,27];
-accessories_position=[0,0,0];
+accessories_position=[0,0,-3.2];
 motor_add=[0, 0, 0];
 gear_add=[0, 0, 0];
 bearing_add=[0, 0, 0];
@@ -202,11 +202,6 @@
 module accessories(holes=false,  teardrop_angle=270)
 {
 
-	// Fan
-
-	translate(fan_position)
-		fan();
-
 	if(huxley)
 		translate([0,0,-bearing_depth/2])
 		{
@@ -229,7 +224,7 @@
 				//360 bearings
 		
 		
-					translate([i*20, -x_bar_gap/2, 0])
+					translate([i*30, -x_bar_gap/2, 0])
 						rotate([90,0,-90])
 							if(holes)
 								adjustable_bearing(true,  teardrop_angle);
@@ -240,7 +235,7 @@
 
 		// 180 bearing
 	
-			translate([20, x_bar_gap/2, 0])
+			translate([30, x_bar_gap/2, 0])
 				rotate([90, 0,90])
 					if(holes)
 						adjustable_bearing(false,  teardrop_angle);
@@ -620,12 +615,13 @@
 {
 	if(huxley)
 	{
+
 		difference()
 		{
 			union()
 			{
 				translate([0, 0, plate_thickness/2])
-					cube([50,60,plate_thickness], center=true);
+					cube([70,60,plate_thickness], center=true);
 				if(huxley)
 					translate([0, -29,-8.5+plate_thickness/2])
 						difference()
@@ -637,8 +633,7 @@
 			}
 			accessories(holes=true, angle=361);
 	
-			translate(bracket_position-base_position)
-				bracket_holes(teardrop_angle=90);
+			bracket_holes(teardrop_angle=90);
 		}
 	} else
 	{
@@ -862,8 +857,8 @@
 
 // Uncomment to get entire assembly
 
-translate(fixed_block_position)
-	fixed_block();
+//translate(fixed_block_position)
+//	fixed_block();
 
 translate(duct_offset)
 	duct();
@@ -875,9 +870,9 @@
 	translate(clamp_position)
 		belt_clamp();
 
-translate(motor_plate_position)
-	motor_plate();
-
+//translate(motor_plate_position)
+//	motor_plate();
+/*
 translate(motor_plate_clip_position)
 	motor_plate_clip();
 
@@ -892,7 +887,7 @@
 
 translate(fan_position)
 	fan();
-
+*/
 translate(accessories_position)
 	accessories();
 //-----------------------------------------------------------------


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[reprap-commits] SF.net SVN: reprap:[4095] trunk/huxley/OpenSCAD-huxley/DXF-files

From: <adr...@us...> - 2011-04-14 19:36:12

Revision: 4095
          http://reprap.svn.sourceforge.net/reprap/?rev=4095&view=rev
Author:   adrian-bowyer
Date:     2011-04-14 19:36:04 +0000 (Thu, 14 Apr 2011)

Log Message:
-----------
Organising mini-extruder files.

Added Paths:
-----------
    trunk/huxley/OpenSCAD-huxley/DXF-files/extruder.sch
    trunk/huxley/OpenSCAD-huxley/DXF-files/hot-end.dxf

Added: trunk/huxley/OpenSCAD-huxley/DXF-files/extruder.sch
===================================================================
(Binary files differ)


Property changes on: trunk/huxley/OpenSCAD-huxley/DXF-files/extruder.sch
___________________________________________________________________
Added: svn:mime-type
   + application/octet-stream

Added: trunk/huxley/OpenSCAD-huxley/DXF-files/hot-end.dxf
===================================================================
--- trunk/huxley/OpenSCAD-huxley/DXF-files/hot-end.dxf	                        (rev 0)
+++ trunk/huxley/OpenSCAD-huxley/DXF-files/hot-end.dxf	2011-04-14 19:36:04 UTC (rev 4095)
@@ -0,0 +1,8840 @@
+999
+dxflib 2.0.4.8
+  0
+SECTION
+  2
+HEADER
+  9
+$ACADVER
+  1
+AC1015
+  9
+$HANDSEED
+  5
+FFFF
+  9
+$DIMADEC
+ 70
+2
+  9
+$GRIDUNIT
+ 10
+0.25
+ 20
+0.25
+  9
+$DIMASZ
+ 40
+1.0
+  9
+$DIMGAP
+ 40
+0.625
+  9
+$LUNITS
+ 70
+2
+  9
+$AUPREC
+ 70
+2
+  9
+$SPLINESEGS
+ 70
+8
+  9
+$INSUNITS
+ 70
+4
+  9
+$DIMEXO
+ 40
+0.625
+  9
+$DIMLUNIT
+ 70
+2
+  9
+$GRIDMODE
+ 70
+1
+  9
+$DIMTXT
+ 40
+2.0
+  9
+$LUPREC
+ 70
+4
+  9
+$DIMSTYLE
+  2
+Standard
+  9
+$PLIMMIN
+ 10
+0.0
+ 20
+0.0
+  9
+$PLIMMAX
+ 10
+297.0
+ 20
+210.0
+  9
+$DIMEXE
+ 40
+0.5
+  9
+$PINSBASE
+ 10
+14.0000165833333341
+ 20
+75.75
+ 30
+0.0
+  9
+$DIMAUNIT
+ 70
+0
+  9
+$AUNITS
+ 70
+0
+  0
+ENDSEC
+  0
+SECTION
+  2
+TABLES
+  0
+TABLE
+  2
+VPORT
+  5
+8
+100
+AcDbSymbolTable
+ 70
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+AcDbSymbolTableRecord
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+AcDbViewportTableRecord
+  2
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+  0
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+  2
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+ 70
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+100
+AcDbLinetypeTableRecord
+  2
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+ 70
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+  2
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[reprap-commits] SF.net SVN: reprap:[4094] trunk/users/adrian/Dissemination/Robotica-paper/ robotica-reprap.pdf

From: <adr...@us...> - 2011-04-14 19:34:22

Revision: 4094
          http://reprap.svn.sourceforge.net/reprap/?rev=4094&view=rev
Author:   adrian-bowyer
Date:     2011-04-14 19:34:16 +0000 (Thu, 14 Apr 2011)

Log Message:
-----------
Added Robotica RepRap paper.

Added Paths:
-----------
    trunk/users/adrian/Dissemination/Robotica-paper/robotica-reprap.pdf

Added: trunk/users/adrian/Dissemination/Robotica-paper/robotica-reprap.pdf
===================================================================
(Binary files differ)


Property changes on: trunk/users/adrian/Dissemination/Robotica-paper/robotica-reprap.pdf
___________________________________________________________________
Added: svn:mime-type
   + application/octet-stream


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.

[reprap-commits] SF.net SVN: reprap:[4093] trunk/huxley/OpenSCAD-huxley/universal-1. 75mm-filament-extruder.scad

From: <adr...@us...> - 2011-04-13 17:38:47

Revision: 4093
          http://reprap.svn.sourceforge.net/reprap/?rev=4093&view=rev
Author:   adrian-bowyer
Date:     2011-04-13 17:38:41 +0000 (Wed, 13 Apr 2011)

Log Message:
-----------
Working (?) Huxley Mini-extruder design.

Modified Paths:
--------------
    trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad

Modified: trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad
===================================================================
--- trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad	2011-04-13 16:11:28 UTC (rev 4092)
+++ trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad	2011-04-13 17:38:41 UTC (rev 4093)
@@ -6,37 +6,41 @@
 
 Licence: GPL.
 
+if the variable huxley is true in parameters.scad the Huxley version is built.  If it is false the Mendel version is built.
+
+Items labelled VITAMIN are not reprapped parts, but are added components modelled here
+for dimension checking and visualisation.
+
 */
 
 include <parameters.scad>;
 use <library.scad>;
 
-motor_angle=-10;
-gear_mesh=7;
-clamp_centres=28;
-plate_thickness=5;
-fat_plate_thickness=8;
-filament_y_offset=-27;
-bearing_gap=44;
-idler_z = 31;
-fixed_block_width=33;
-back_plate_height=41;
-motor_plate_extra_x=35;
-hob_gap=55;
-motor_radius=34;
+motor_angle=-10;		// The angle to the horizontal of a line joining the motor axis to the filament drive axis
+gear_mesh=2;			// Cosmetic - angle to make the gears mesh
+clamp_centres=28;		// Distance between the vertical M3 rods that hold the hot end on
+plate_thickness=5;		// The thickness of some of the components, cf. ...
+fat_plate_thickness=8;	// ...thicker components...
+filament_y_offset=-27;	// How far from the gear assembly etc to the filament (which runs down the Z axis)
+bearing_gap=44;		// The gap between the 6mm id bearings on the driven shaft
+fixed_block_width=33;	// The width of the main block
+back_plate_height=41;	// Back plate height of the main block
+motor_plate_extra_x=35;	// How much longer the motor plate is than the rest
+hob_gap=55;			// Bearing gaps on the hobbing jig
+motor_radius=34;		// How far out is the motor from the centre of the driven shaft
+filament_radius=1.75/2;	// The name says it...
+hub_x=-3-filament_radius;	// How far from the Z axix is the driven shaft (which is 6mm in diameter)
+hub_z=31;				// Relative Z position of the drive assembly
 
-filament_radius=1.75/2;
-hub_x=-3-filament_radius;
-hub_z=31;
 
+// Offsets to put items in the right relative positions
+
 idler_offset=[5.5,0,0];
 bearing_offset=[5+filament_radius, 0, 0];
 lever_spring_offset=[-39,5,back_plate_height+10];
 back_plate_position=[0,fixed_block_width/2+fat_plate_thickness/2,5+back_plate_height/2];
 motor_position=[-motor_radius*cos(motor_angle), 1, motor_radius*sin(motor_angle)];
 
-
-
 fixed_block_position=[0,0,10];
 duct_offset=[-5.5,0,10];
 base_position=[0,0,-3.5];
@@ -55,6 +59,7 @@
 
 /*
 //--- Experimental exploded view
+
 fixed_block_position=[0,0,10];
 duct_offset=[-5.5,0,10] + [0, 0, -70];
 base_position=[0,0,-3.5] + [0, 0, -20];
@@ -71,10 +76,10 @@
 bearing_add=[0, 0, 30];
 */
 
+// *********************************************************************************************
 
+// The holes in the hobbing jig as solids
 
-
-
 module hob_jig_holes(teardrop_angle=-1)
 {
 
@@ -103,6 +108,8 @@
 
 }
 
+// The hobbing jig.  This is not part of the extruder.  It allows the M6 bolt to be hobbed in a lathe or with an electric drill.
+
 module hob_jig()
 {
 	difference()
@@ -132,6 +139,10 @@
 	}
 }
 
+// **********************************************************************************************************************
+
+// The M3 rods that hold the hot end on
+
 module tie_rods(radius=3/2,teardrop_angle=-1)
 {
 	for(i=[-1/2,1/2])
@@ -142,9 +153,10 @@
 				teardrop(h=100,r=radius, center=true,    teardrop_angle=teardrop_angle, truncateMM=0.5);
 
 	translate([-clamp_centres/2,0,10])
-	teardrop(h=10,r=3.5, center=true,    teardrop_angle=teardrop_angle, truncateMM=0.5);
+	teardrop(h=10,r=3.9, center=true,    teardrop_angle=teardrop_angle, truncateMM=0.5);
 }
 
+// The vertical holes associated with the filament in the Z direction
 
 module nozzle_holes(teardrop_angle=-1)
 {
@@ -158,6 +170,8 @@
 
 }
 
+// The screw holes in the fan.  Not used in the design.
+
 module fan_holes()
 {
 	for(y=[-16,16])
@@ -167,6 +181,8 @@
 				cylinder(h=100, r=1.5, center=true,$fn=15);
 }
 
+// The fan.  VITAMIN 
+
 module fan(holes=false)
 {
 	if(holes)
@@ -181,6 +197,8 @@
 	}
 }
 
+// Some other non-reprapped VITAMIN s
+
 module accessories(holes=false,  teardrop_angle=270)
 {
 
@@ -250,6 +268,8 @@
 }
 
 
+// Gets the motor in the right place, and also forms a clamp for the PCB/stripboard for
+// the connectors
 
 module motor_spacer()
 {
@@ -264,12 +284,17 @@
 		}
 }
 
+
+// The gear that goes on the motor's shaft
+
 module drive_gear()
 {
 	grub_gear(hub_height = 7, hub_radius = 9.5, shaft_radius = 2.5, height = 8, number_of_teeth = 11, 
 		inner_radius = 6.5, outer_radius = 9, angle=25);
 }
 
+// The motor with its gear
+
 module drive_gear_and_motor(gear=true, holes=false)
 {
 	translate(motor_position)
@@ -284,6 +309,8 @@
 	}
 }
 
+// The gear that goes on the driven shaft - the shaft that moives the filament
+
 module driven_gear(wingnut=false)
 {
 	translate([0,-7,0])
@@ -293,7 +320,7 @@
 		union()
 		{
 			grub_gear(hub_height = 10, hub_radius = 10, shaft_radius = 3, height = 7, 
-				number_of_teeth = 31, inner_radius = motor_radius-10, outer_radius = motor_radius-7, angle=15);
+				number_of_teeth = 37, inner_radius = motor_radius-10, outer_radius = motor_radius-7, angle=15);
 			if(wingnut)
 				difference()
 				{
@@ -321,6 +348,9 @@
 	}
 }
 
+
+// The shaft that moves the filament
+
 module m6_shaft(body=true,big_hole=7.5, teardrop_angle=-1)
 {
 	translate([0,-17,0])
@@ -352,6 +382,8 @@
 	}
 }
 
+// The motor, the driven shaft, and their associated components
+
 module drive_assembly()
 {
 	m6_shaft(body=true, big_hole=7.5, teardrop_angle=-1);
@@ -366,6 +398,9 @@
 
 }
 
+// The holes in the main block and motor plate through which M3 threaded rods are passed
+// to hold the extruder together.
+
 module block_holes(teardrop_angle=-1, lever = false)
 {
 
@@ -410,6 +445,8 @@
 }
 
 
+// The main block of the extruder
+
 module fixed_block()
 {
 	difference()
@@ -441,7 +478,7 @@
 					m6_shaft(body=false,big_hole=4, teardrop_angle=-1);
 				translate([-10,0,19])
 					rotate([0,-30,0])
-						cube([50,20,13], center=true);
+						cube([50,18,13], center=true);
 				
 			}
 			translate(back_plate_position-fixed_block_position)
@@ -483,6 +520,10 @@
 	}
 }
 
+
+// A solid that is not part of the model, but that is intersected with, or subtracted from, the duct to
+// split it in two for easy reprapping
+
 module duct_split()
 {
 	translate([-40.11,0,0])
@@ -498,6 +539,8 @@
 	}
 }
 
+// The duct (internal module call)
+
 module duct_i()
 {	
 	difference()
@@ -517,6 +560,8 @@
 	}
 }
 
+// Call this to make the duct.  split = 0 gives it all; split = 1 gives the first half; split = 2 gives the second
+
 module duct(split=0)
 {
 	if(split==1)
@@ -535,6 +580,9 @@
 		duct_i();
 }
 
+
+// Holes for the Huxley version.  These are where the belt clamps attach.
+
 module bracket_holes(teardrop_angle=-1)
 {
 	for(x=[-1,1])
@@ -553,6 +601,8 @@
 }
 
 
+// The tothed belt clamp - only used for the Huxley version
+
 module belt_clamp()
 {
 	difference()
@@ -564,6 +614,8 @@
 	}
 }
 
+// The base plate - both Huxley and Mendel variants
+
 module base_plate()
 {
 	if(huxley)
@@ -608,7 +660,7 @@
 				}
 				translate([0,0,10])
 				tie_rods();
-				cylinder(h=100, r=4, center=true,$fn=30);
+				cylinder(h=100, r=4.25, center=true,$fn=30);
 				for(i=[-1/2,1/2])
 				{
 					translate([0,i*46,0])
@@ -634,6 +686,8 @@
 	}
 }
 
+// The holes through the filament-clamping lever
+
 module bearing_hole()
 {
 
@@ -648,6 +702,8 @@
 }
 
 
+// The holes for the spring on the filament-clamping lever
+
 module lever_spring()
 {
 	rotate([0,90,0])
@@ -663,6 +719,8 @@
 	}
 }
 
+// the venturi air intake into the filament-clamping lever
+
 module bevel_cube(box)
 {
 	difference()
@@ -686,6 +744,9 @@
 	}
 }
 
+
+// The filament-clamping lever
+
 module lever()
 {
 
@@ -724,6 +785,8 @@
 
 }
 
+// The plate to which the motor is attached
+
 module motor_plate()
 {
 		difference()
@@ -749,6 +812,9 @@
 
 }
 
+
+// The clip on the motor plate that holds the fan - reprap separately then glue on
+
 module motor_plate_clip()
 {
 	difference()
@@ -768,6 +834,8 @@
 	}
 }
 
+
+
 //------------------------------------------------------------------
 
 // Uncomment to check hole interference
@@ -832,7 +900,9 @@
 
 
 
+
 // Individual built items
+// Uncomment these one by one, then save the results as STL files
 
 // For Huxley
 //----


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[reprap-commits] SF.net SVN: reprap:[4092] trunk/huxley/OpenSCAD-huxley

From: <adr...@us...> - 2011-04-13 16:11:40

Revision: 4092
          http://reprap.svn.sourceforge.net/reprap/?rev=4092&view=rev
Author:   adrian-bowyer
Date:     2011-04-13 16:11:28 +0000 (Wed, 13 Apr 2011)

Log Message:
-----------
Organising extruder designs.

Added Paths:
-----------
    trunk/huxley/OpenSCAD-huxley/Old-Extruder-Designs/original-extruder.scad
    trunk/huxley/OpenSCAD-huxley/Old-Extruder-Designs/simple-extruder.scad
    trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad

Removed Paths:
-------------
    trunk/huxley/OpenSCAD-huxley/Old-Extruder-Designs/Old-designs/
    trunk/huxley/OpenSCAD-huxley/Old-Extruder-Designs/universal-1.75mm-filament-extruder.scad

Copied: trunk/huxley/OpenSCAD-huxley/Old-Extruder-Designs/original-extruder.scad (from rev 4091, trunk/huxley/OpenSCAD-huxley/Old-Extruder-Designs/Old-designs/original-extruder.scad)
===================================================================
--- trunk/huxley/OpenSCAD-huxley/Old-Extruder-Designs/original-extruder.scad	                        (rev 0)
+++ trunk/huxley/OpenSCAD-huxley/Old-Extruder-Designs/original-extruder.scad	2011-04-13 16:11:28 UTC (rev 4092)
@@ -0,0 +1,584 @@
+include <parameters.scad>;
+use <library.scad>;
+
+motor_angle=-10;
+gear_mesh=7;
+clamp_centres=23;
+plate_thickness=5;
+fat_plate_thickness=8;
+filament_y_offset=-27;
+bearing_gap=44;
+idler_z = 31;
+fixed_block_width=33;
+back_plate_height=41;
+motor_plate_extra_x=35;
+hob_gap=55;
+
+drive_assembly_position=[-3,filament_y_offset,31];
+fixed_block_position=[0,0,10];
+idler_position=[0,0,idler_z];
+back_plate_position=[0,fixed_block_width/2+fat_plate_thickness/2,5+back_plate_height/2];
+motor_plate_position=[0,-fixed_block_width/2-fat_plate_thickness/2,5+back_plate_height/2];
+motor_position=[-32*cos(motor_angle), 1, 32*sin(motor_angle)];
+spacer_position=drive_assembly_position + motor_position + [0, 10.75, 0];
+base_position=[0,0,0];
+accessories_position=[0,0,0];
+clamp_position=[-12, -44, -9];
+
+
+module hob_jig_holes(teardrop_angle=-1)
+{
+
+		union()
+		{
+			rotate([-90,0,0])
+			{
+				if(teardrop_angle>=0)
+					cylinder(h=6,r=7.5,center=true, $fn=20);
+				else
+					teardrop(h=hob_gap+20,r=7.5,center=true,teardrop_angle=teardrop_angle,truncateMM=0.5);
+	
+				for(z=[-1,1])
+				translate([0,0,z*(hob_gap/2+3)])
+					if(teardrop_angle>0)
+						cylinder(h=6,r=9.5,center=true, $fn=20);
+					else
+						teardrop(h=6.2,r=10,center=true,teardrop_angle=teardrop_angle,truncateMM=0.5);
+			}
+
+			for(y=[-1,1])
+				translate([0, -5+y*12, 0])
+					cube([3,15,50], center=true);
+
+		}	
+
+}
+
+module hob_jig()
+{
+	difference()
+	{
+		translate([0, 0, -5])
+			cube([30, hob_gap+10,20], center=true);
+		hob_jig_holes(teardrop_angle=-1);
+		translate([0, 0, 10])
+			cube([40, hob_gap-10,20], center=true);
+	}
+}
+
+module hob_jig_handle()
+{
+	difference()
+	{
+	union()
+	{
+		translate([0, -5, -70])
+			cube([15, 15, 70], center=true);
+		translate([0, -5, -40])
+			cube([15, 35, 15], center=true);
+	}
+	for(y=[-1,1])
+		translate([0, -5+y*12, -50])
+			teardrop(h=50,r=screwsize/2,center=true,teardrop_angle=180,truncateMM=0.5);
+	}
+}
+
+
+module nozzle_holes(teardrop_angle=-1)
+{
+	// M3 holes
+
+	translate([-clamp_centres/2, 0, 0])
+		teardrop(h=100, r=screwsize/2, center=true, teardrop_angle=teardrop_angle, truncateMM=0.5);
+
+	translate([clamp_centres/2, 0, 0])
+		teardrop(h=100, r=screwsize/2, center=true,   teardrop_angle=teardrop_angle, truncateMM=0.5);
+
+	// Filament
+
+	cylinder(h=150, r=1, center=true,$fn=15);
+	translate([0, 0, 15])
+		cylinder(h=10, r1=1, r2=2, center=true,$fn=15);
+
+}
+
+module accessories(holes=false,  teardrop_angle=270)
+{
+	if(huxley)
+		translate([0,0,-bearing_depth/2])
+		{
+
+			for(i=[-1,1])
+			{
+		
+				// X axis rods
+		
+				if(!holes)
+				translate([0, i*x_bar_gap/2 , 0])
+					rotate([0,90,0])
+						rod(100);
+				// Belts
+		
+				if(!holes)
+				translate([0, i*40 , 0])
+					cube([100,2,6], center=true);
+		
+				//360 bearings
+		
+		
+					translate([i*20, -x_bar_gap/2, 0])
+						rotate([90,0,-90])
+							if(holes)
+								adjustable_bearing(true,  teardrop_angle);
+							else
+								adjustable_bearing(true,-1);
+		
+			}
+
+		// 180 bearing
+	
+			translate([20, x_bar_gap/2, 0])
+				rotate([90, 0,90])
+					if(holes)
+						adjustable_bearing(false,  teardrop_angle);
+					else
+						adjustable_bearing(false,-1);
+		}
+
+	if(holes)
+	{
+	
+		// Nozzle
+	
+		translate([0, 0, -23+plate_thickness])
+		cylinder(h=46,r=4,center=true, $fn=15);
+		nozzle_holes();
+
+		if(mendel)
+		{
+			for(i=[-1,1])
+				translate([20, i*25, 0])
+					cylinder(h=50,r=2,center=true, $fn=15);
+		}
+	}
+
+}
+
+module idler_holes(screws=true, bearing_hole=true)
+{
+	translate([-1,0,0])
+	union()
+	{
+		if(screws)
+		{
+			for(i=[-1,1])
+			for(j=[-1,1])
+			translate([0,i*11,j*7])
+				rotate([0,90,0])
+				{
+					cylinder(h=60,r=0.5+screwsize/2,center=true, $fn=10);
+					translate([0,0,-17])
+						cylinder(h=20,r=1.3*nutsize,center=true, $fn=6);
+				}
+		}
+
+		if(bearing_hole)
+		{
+			rotate([90,0,0])
+			{
+				translate([0,0,-15])
+				{
+					teardrop(h=35,r=screwsize/2, center=false,   teardrop_angle=0,truncateMM=0.5);
+					translate([0,0,-26])
+						teardrop(h=30,r=screwsize, center=false,   teardrop_angle=0,truncateMM=0.5);
+					translate([0,0,35])
+						pentanut(height=20, center=true);
+				}
+				cylinder(h=5.5,r=6,center=true, $fn=20);
+				translate([-5,0,0])
+					cube([11,12,5.5],center=true);
+			}
+		}
+
+
+	}
+}
+
+
+module idler(body=true)
+{
+	translate([7,0,0])
+	if(body)
+	{
+		difference()
+		{
+			translate([2,0,0])
+				cube([12,30,22], center = true);
+
+			for(z=[-1,1])
+			translate([0,0,z*12])
+				cube([20,10,10], center = true);
+			translate([-11,0,-11])
+				rotate([0,60,0])
+					cube([20,40,20], center = true);
+			idler_holes();
+			translate([-7,0,0])
+				cylinder(h=100,r=1,center=true, $fn=15);
+		}
+	} else
+		idler_holes(screws=true, bearing_hole=true);
+}
+
+module motor_spacer()
+{
+		difference()
+		{
+			cube([nema11_square, 2.5, nema11_square], center = true);
+			translate([0, -2.5/2-1, 33])
+				cube([50, 5,50], center = true);
+			translate([0, 12,0])
+				rotate([-90,0,0])
+			 		nema11(body=false, slots = -1, counterbore=-1);
+		}
+}
+
+module drive_gear()
+{
+	grub_gear(hub_height = 7, hub_radius = 9.5, shaft_radius = 2.5, height = 8, number_of_teeth = 11, 
+		inner_radius = 6.5, outer_radius = 9, angle=25);
+}
+
+module drive_gear_and_motor(gear=true, holes=false)
+{
+	translate(motor_position)
+	{
+		if(gear)
+			rotate([90,gear_mesh,0])
+				drive_gear();
+		
+		translate([0, 12,0])
+			rotate([-90,0,0])
+		 		nema11(body=!holes, slots = -1, counterbore=8);
+	}
+}
+
+module driven_gear(wingnut=false)
+{
+	translate([0,-7,0])
+	rotate([-90,0,0])
+	difference()
+	{
+		union()
+		{
+			grub_gear(hub_height = 10, hub_radius = 10, shaft_radius = 3, height = 7, 
+				number_of_teeth = 31, inner_radius = 22, outer_radius = 25, angle=15);
+			if(wingnut)
+				difference()
+				{
+					strut(p1=[0,-7,-5], p2=[0,7,-5], wide = 10, deep = 15, round=2);
+					cylinder(h=50,r=9, center=true,$fn=20);
+				}
+		}
+		if(wingnut)
+		{
+			intersection()
+			{
+				translate([0,16,-14])
+					rotate([-30,0,0])
+						cube([4, 26, 20], center=true);
+				cylinder(h=50,r=13, center=true,$fn=20);
+			}
+			intersection()
+			{
+				translate([0,-16,-14])
+					rotate([30,0,0])
+						cube([4, 26, 20], center=true);
+				cylinder(h=50,r=13, center=true,$fn=20);
+			}
+		}
+	}
+}
+
+module block_holes(teardrop_angle=-1)
+{
+	translate([-8.5, 0, 0])
+		rotate([90, 0, 0])
+		{
+			teardrop(h=80, r=screwsize/2,  center=true,  teardrop_angle=teardrop_angle, faces=15);
+			translate([0, 0, 31])
+				rotate([0,0,30])
+					cylinder(h = 20, r = screwsize, center=true, $fn=6);
+		}
+
+	translate([8.5, 0, 0])
+		rotate([90, 0, 0])
+		{
+			teardrop(h=80,r=screwsize/2,  center=true, teardrop_angle=teardrop_angle, faces=15);
+			translate([0, 0, 31])
+				rotate([0,0,30])
+					cylinder(h = 20, r = screwsize, center=true, $fn=6);
+		}
+
+	translate([-8.5, 0, 32])
+		rotate([90, 0, 0])
+		{
+			teardrop(h=80,r=screwsize/2, center=true, teardrop_angle=teardrop_angle, faces=15);
+			translate([0, 0, 31])
+				rotate([0,0,30])
+					cylinder(h = 20, r = screwsize, center=true, $fn=6);
+		}
+}
+
+
+module fixed_block()
+{
+	difference()
+	{
+		union()
+		{
+			difference()
+			{
+				union()
+				{
+					cube([32,fixed_block_width,10], center=true);
+					translate([-9.5,0,14 + (back_plate_height - 38)/2])
+						cube([13,33,back_plate_height], center=true);
+					translate([0,0,back_plate_height-8])
+						cube([8,8,6], center = true);
+					difference()
+					{
+						translate([0,0,12])
+							cube([10,8,24], center=true);
+						translate([11,0,20])
+							rotate([0,60,0])
+								cube([20,40,20], center = true);
+						translate([0,0,27])
+								cube([20,40,20], center = true);
+					}
+				}
+				nozzle_holes(teardrop_angle=180);
+				translate(idler_position-fixed_block_position)
+					idler_holes(screws=true, bearing_hole=false);
+				translate(drive_assembly_position-fixed_block_position)
+					m6_shaft(body=false,big_hole=4, teardrop_angle=-1);
+			}
+			translate(back_plate_position-fixed_block_position)
+				difference()
+				{
+					cube([32,fat_plate_thickness,back_plate_height], center=true);
+					translate(drive_assembly_position-back_plate_position)
+						m6_shaft(body=false,big_hole=7.5,  teardrop_angle=180);
+				}
+				
+		}
+		block_holes(teardrop_angle=180);
+	}
+}
+
+module m6_shaft(body=true,big_hole=7.5, teardrop_angle=-1)
+{
+	translate([0,-17,0])
+	rotate([-90,0,0])
+	{
+		union()
+		{
+			translate([0,0,(bearing_gap+27)/2])
+				if(body)
+					rod(bearing_gap+27);
+				else
+					teardrop(h=bearing_gap+52,r=big_hole,center=true, teardrop_angle=teardrop_angle,truncateMM=0.5);
+
+
+			translate([0,0,bearing_gap+22])
+				if(body)
+					cylinder(h=6,r=9.5,center=true);
+				else
+					teardrop(h=6.2,r=10,center=true,teardrop_angle=teardrop_angle,truncateMM=0.5);
+
+			translate([0,0,22])
+				if(body)
+					cylinder(h=6,r=9.5,center=true);
+				else
+					teardrop(h=6.2,r=10,center=true,teardrop_angle=teardrop_angle,truncateMM=0.5);
+		}	
+	}
+}
+
+module drive_assembly()
+{
+	m6_shaft(body=true, big_hole=7.5, teardrop_angle=-1);
+	driven_gear(wingnut=true);
+	drive_gear_and_motor();
+	translate([5+4, -filament_y_offset, 0])
+		rotate([90,0,0])
+			cylinder(h=4, r=5, center=true, $fn=20);
+
+}
+
+module bracket_holes(teardrop_angle=-1)
+{
+	for(x=[-1,1])
+	for(z=[0,1])
+	{
+		translate([x*12, -30, -4-10*z])
+			rotate([90,0,0])
+			{
+				teardrop(h=40, r=screwsize/2, center=true,teardrop_angle=teardrop_angle, truncateMM=0.5);
+				if(teardrop_angle>=0)
+					translate([0,0,-6])
+						rotate([0, 0, teardrop_angle])
+							pentanut(height=20,center=true);
+			}
+	}
+}
+
+
+module belt_clamp()
+{
+	difference()
+	{
+		translate([0, 0, 0])
+			cube([8,5,18], center=true);
+		translate(base_position-clamp_position)
+			bracket_holes(teardrop_angle=-1);
+	}
+}
+
+module base_plate()
+{
+	difference()
+	{
+		union()
+		{
+			translate([0, 0, plate_thickness/2])
+				cube([50,60,plate_thickness], center=true);
+			if(huxley)
+				translate([0, -29,-8.5+plate_thickness/2])
+					difference()
+					{
+						cube([32, 20, 22], center=true);
+						translate([0, 8, -4])
+							cube([40, 20, 20], center=true);
+					}
+		}
+		accessories(holes=true, angle=361);
+		if(huxley)
+		{
+			translate(bracket_position-base_position)
+				bracket_holes(teardrop_angle=90);
+		} 
+		if(mendel)
+		{
+			translate([-25,0,0])
+				cube([20,80,20], center=true);
+			translate([-25,0,0])
+				rotate([0,60,0])
+					cube([20,80,20], center=true);
+		}
+	}
+}
+
+
+
+module motor_plate()
+{
+	difference()
+	{
+		translate([-motor_plate_extra_x/2, 0, 0])
+			cube([32+motor_plate_extra_x,fat_plate_thickness,back_plate_height], center=true);
+		translate([-motor_plate_extra_x/2-17,0,-26])
+			cube([36,20,20], center=true);
+		translate([-motor_plate_extra_x/2-17,0,26])
+			cube([36,20,20], center=true);
+		translate(drive_assembly_position-motor_plate_position)
+			m6_shaft(body=false,big_hole=7.5, teardrop_angle=-1);
+		translate(drive_assembly_position-motor_plate_position)
+			drive_gear_and_motor(gear=false, holes=true);
+		translate(fixed_block_position-motor_plate_position)
+			block_holes(teardrop_angle=-1);
+	}
+}
+
+
+
+
+//------------------------------------------------------------------
+
+// Uncomment to check hole interference
+/*
+translate(fixed_block_position)
+	block_holes();
+
+translate(idler_position)
+	idler_holes();
+
+translate(base_position)
+	nozzle_holes();
+
+translate(clamp_position)
+	bracket_holes();
+
+//--------------------------------------------------------------------
+*/
+
+
+
+
+//--------------------------------------------------------------------
+
+// Uncomment to get entire assembly
+
+translate(fixed_block_position)
+	fixed_block();
+
+translate(idler_position)
+	idler();
+
+translate(base_position)
+	base_plate();
+
+if(huxley)
+	translate(clamp_position)
+		belt_clamp();
+
+
+translate(motor_plate_position)
+	motor_plate();
+
+translate(spacer_position)
+	motor_spacer();
+
+translate(drive_assembly_position)
+	drive_assembly();
+
+translate(accessories_position)
+	accessories();
+//-----------------------------------------------------------------
+
+
+
+// Individual built items
+
+//hob_jig();
+
+//hob_jig_handle();
+
+//fixed_block();
+
+//idler();
+
+//base_plate();
+
+//belt_clamp(); // 2 off
+
+//motor_plate();
+
+//motor_spacer();
+
+//drive_gear();
+
+//driven_gear(wingnut=true);
+
+//adjustable_bearing(true,-1); // 2 off
+
+//adjustable_bearing(false,-1);
\ No newline at end of file

Copied: trunk/huxley/OpenSCAD-huxley/Old-Extruder-Designs/simple-extruder.scad (from rev 4091, trunk/huxley/OpenSCAD-huxley/Old-Extruder-Designs/Old-designs/simple-extruder.scad)
===================================================================
--- trunk/huxley/OpenSCAD-huxley/Old-Extruder-Designs/simple-extruder.scad	                        (rev 0)
+++ trunk/huxley/OpenSCAD-huxley/Old-Extruder-Designs/simple-extruder.scad	2011-04-13 16:11:28 UTC (rev 4092)
@@ -0,0 +1,314 @@
+include <parameters.scad>;
+use <library.scad>;
+
+hub_x=-4.5;
+drive_offset=[hub_x,-14.6,0];
+block_offset=[hub_x,0,0];
+lever_offset=[0,0,0];
+plate_offset=[0,0,-30];
+lever_spring_offset=[-29,0,0];
+idler_offset=[5.5,0,0];
+clamp_centres=28;
+filament_radius=1.75/2;
+
+module end_bearing(body=true)
+{
+	union()
+	{
+		rotate([90,0,0])
+			translate([0,0,-22])
+			{
+				cylinder(h=4, r=13/2, center=true,$fn=20);
+				if(!body)
+					cylinder(h=20, r=6/2, center=true,$fn=20);
+			}
+	}
+}
+
+module body_parts()
+{
+	translate([0,0,-15])
+		cylinder(h=10, r=4, center=true,$fn=20);
+	translate([0,0,-7.5])
+		cylinder(h=5, r=12.5/2, center=true,$fn=20);
+	rotate([-90,0,0])
+		end_bearing(body);
+}
+
+
+module drive(body=true)
+{
+	union()
+	{
+			rotate([90,0,0])
+			{
+				nema17(body = body, slots = -1, counterbore = -1, hubdepth = 7);
+				if(body)
+					body_parts();
+				else
+				{
+					scale([1.03,1,1.03])
+						body_parts();
+				}
+			}
+	}
+}
+
+module filament()
+{
+	cylinder(h=150, r=1, center=true,$fn=15);
+	translate([0, 0, -4])
+		cylinder(h=10, r1=1, r2=2, center=true,$fn=15);
+}
+
+module tie_rods(radius=3/2,teardrop_angle=-1)
+{
+	for(i=[-1/2,1/2])
+		translate([i*clamp_centres,0,-30])
+			if(teardrop_angle<0)
+				cylinder(h=100, r=radius, center=true,$fn=10);
+			else
+				teardrop(h=100,r=radius, center=true,    teardrop_angle=teardrop_angle, truncateMM=0.5);
+}
+
+
+
+module mendel_plate()
+{
+	difference()
+	{
+		union()
+		{
+			difference()
+			{
+				cube([35,60,5],center=true);
+				translate([0,-20,6])
+					rotate([3,0,0])
+						cube([40,30,7],center=true);
+			}
+			translate([0,0,4])
+				cube([35,28,7],center=true);
+		}
+
+		tie_rods();
+		cylinder(h=100, r=4, center=true,$fn=30);
+		for(i=[-1/2,1/2])
+		{
+			translate([0,i*46,0])
+				cylinder(h=100, r=2, center=true,$fn=10);
+			translate([0,i*56,0])
+				cube([4,10,100],center=true);
+		}
+
+	}
+}
+
+
+
+module bearing_hole()
+{
+	rotate([90,0,0])
+	{
+		translate([0,0,-15])
+		{
+			teardrop(h=35,r=screwsize/2, center=false,   teardrop_angle=0,truncateMM=0.5);
+			translate([0,0,-19.5])
+				teardrop(h=30,r=screwsize, center=false,   teardrop_angle=0,truncateMM=0.5);
+			translate([0,0,30])
+				pentanut(height=20, center=true);
+		}
+		cylinder(h=5.5,r=6,center=true, $fn=20);
+		translate([-5,0,0])
+			cube([11,12,5.5],center=true);
+	}
+}
+
+module screw_notch()
+{
+
+	translate([0,0,-7])
+		cube([20,7,5],center=true);
+}
+
+module lever()
+{
+	difference()
+	{
+	translate([0,0,12])
+		cube([65,15,40], center=true);
+
+	translate([-8,0,13])
+	{
+		rotate([90, 0, 0])
+			cylinder(r=10, h=20 , center=true);
+		translate([-25,0,-10])
+			cube([50,20,40], center=true);
+		translate([-10,0,-25])
+			cube([40,20,50], center=true);
+	}
+
+	translate([32,0,10])
+			cube([30,20,60], center=true);
+
+	translate([32,0,23])
+			rotate([0,-45,0])
+				cube([30,20,60], center=true);
+
+	translate([-5,0,-10])
+			rotate([0,-45,0])
+				cube([20,20,20], center=true);
+
+	translate([23,0,-10])
+			rotate([0,-45,0])
+				cube([20,20,20], center=true);
+
+
+	translate(idler_offset - lever_offset)
+	{
+		bearing_hole();
+		screw_notch();
+	}
+
+	teardrop(h=200, r=filament_radius*1.5,teardrop_angle=0,truncateMM=0.5);
+
+//	translate(drive_offset-lever_offset)
+//			drive(body=false);
+
+	translate(drive_offset-lever_offset)
+		rotate([90,0,0])
+			translate([0,0,-22])
+				cylinder(h=100, r=7.5, center=true,$fn=20);
+
+	translate([0.5*nema17_screws, 0, 0.5*nema17_screws]+drive_offset-lever_offset)
+	rotate([90,0,0])
+		translate([0,0,-100])
+			teardrop(h=200, r=2,teardrop_angle=0,truncateMM=0.5);
+
+	translate(lever_spring_offset-lever_offset)
+		lever_spring();
+	}
+
+}
+
+module lever_spring()
+{
+	translate([0,0,-30])
+	union()
+	{
+		teardrop(h=200, r=2,teardrop_angle=0,truncateMM=0.5);
+			translate([0,0,31])
+				rotate([0,0,90])
+					pentanut(height=10, center=true);
+	}
+}
+
+module block()
+{
+	difference()
+	{
+		union()
+		{
+			// Filament guide
+
+			difference()
+			{
+				translate([6,5,-10])
+					cube([10, 17, 11], center = true);
+				translate([7,11,0])
+					rotate([45,0,0])
+						cube([12, 17, 25], center = true);
+				translate([20,0,0])
+					rotate([0,45,0])
+						cube([12, 17, 25], center = true);
+			}
+			difference()
+			{
+				union()
+				{
+					translate([-nema17_screws/2,-0.5,0])
+						cube([10, 28, nema17_square], center = true);
+					translate([-nema17_screws/2-8,3.5,-5])
+						cube([10, 20, 10], center = true);
+					translate([-8,10.5,-3])
+						cube([8, 6, 22], center = true);
+					translate([-nema17_screws/2+5,-0.5,-nema17_screws/2-0.5])
+						cube([10, 28, 10], center = true);
+		
+					translate([nema17_screws/2+2.5,-0.5,0])
+						cube([15, 28, nema17_square], center = true);
+					translate([nema17_screws/2+5,-0.5,-nema17_screws/2-0.5])
+						cube([10, 28, 10], center = true);
+					translate([0,-0.5,-nema17_screws/2-1.5])
+						cube([24, 28, 8], center = true);
+			
+				}
+				translate(-block_offset)
+					tie_rods(teardrop_angle=90);
+				translate([-clamp_centres/2,0,9]-block_offset)
+					cylinder(h=40, r=4, center=true,$fn=10);
+				translate(drive_offset-block_offset) 
+					drive(body=false);   //non manifold
+		
+				translate([18,-5.5,10])
+					cube([20, 28,nema17_square], center = true);
+
+				translate([-18,-15.4,18])
+					cube([20, 5,15], center = true);
+		
+			}
+		}
+		translate(-block_offset) 
+			filament();
+		translate(lever_spring_offset-block_offset) 
+			lever_spring();
+	}
+
+}
+
+module sectioncube()
+{
+	translate([0,-50,0])
+		cube([100,100,100], center=true);
+}
+
+module idler_bearing()
+{
+rotate([90,0,0])
+cylinder(h=4, r=5, center=true,$fn=20);
+}
+
+
+
+// PEEK
+//translate([0,0,-28])
+//cylinder(h=40, r=4, center=true,$fn=20);
+
+//mendel_mount();
+
+intersection()
+{
+union()
+{
+// Idler
+//translate(idler_offset)
+//idler_bearing();
+
+//translate(drive_offset)
+//	drive(body=true);
+
+//filament();
+//tie_rods();
+
+//mendel_mount(radius=4/2);
+
+//translate(block_offset)
+//block();
+
+translate(lever_offset)
+	lever();
+
+//translate(plate_offset)
+//	mendel_plate();
+}
+//sectioncube();
+}

Deleted: trunk/huxley/OpenSCAD-huxley/Old-Extruder-Designs/universal-1.75mm-filament-extruder.scad
===================================================================
--- trunk/huxley/OpenSCAD-huxley/Old-Extruder-Designs/universal-1.75mm-filament-extruder.scad	2011-04-13 16:10:16 UTC (rev 4091)
+++ trunk/huxley/OpenSCAD-huxley/Old-Extruder-Designs/universal-1.75mm-filament-extruder.scad	2011-04-13 16:11:28 UTC (rev 4092)
@@ -1,857 +0,0 @@
-/*
-
-RepRap Universal 1.75mm Filament Extruder
-
-Adrian Bowyer  13 April 2011
-
-Licence: GPL.
-
-*/
-
-include <parameters.scad>;
-use <library.scad>;
-
-motor_angle=-10;
-gear_mesh=7;
-clamp_centres=28;
-plate_thickness=5;
-fat_plate_thickness=8;
-filament_y_offset=-27;
-bearing_gap=44;
-idler_z = 31;
-fixed_block_width=33;
-back_plate_height=41;
-motor_plate_extra_x=35;
-hob_gap=55;
-motor_radius=34;
-
-filament_radius=1.75/2;
-hub_x=-3-filament_radius;
-hub_z=31;
-
-idler_offset=[5.5,0,0];
-bearing_offset=[5+filament_radius, 0, 0];
-lever_spring_offset=[-39,5,back_plate_height+10];
-back_plate_position=[0,fixed_block_width/2+fat_plate_thickness/2,5+back_plate_height/2];
-motor_position=[-motor_radius*cos(motor_angle), 1, motor_radius*sin(motor_angle)];
-
-
-
-fixed_block_position=[0,0,10];
-duct_offset=[-5.5,0,10];
-base_position=[0,0,-3.5];
-clamp_position=[-12, -44, -9];
-drive_assembly_position=[hub_x,filament_y_offset,hub_z];
-motor_plate_position=[0,-fixed_block_width/2-fat_plate_thickness/2,5+back_plate_height/2];
-motor_plate_clip_position=[24.5,-20.5,15]+fixed_block_position;
-spacer_position=drive_assembly_position + motor_position + [0, 10.75, 0];
-lever_offset=[0,0,hub_z];
-fan_position=[21.5,0,27];
-accessories_position=[0,0,0];
-motor_add=[0, 0, 0];
-gear_add=[0, 0, 0];
-bearing_add=[0, 0, 0];
-
-
-/*
-//--- Experimental exploded view
-fixed_block_position=[0,0,10];
-duct_offset=[-5.5,0,10] + [0, 0, -70];
-base_position=[0,0,-3.5] + [0, 0, -20];
-clamp_position=[-12, -44, -9] + [0, -40, 0];
-drive_assembly_position=[hub_x,filament_y_offset,hub_z] + [0, 0, 0];
-motor_plate_position=[0,-fixed_block_width/2-fat_plate_thickness/2,5+back_plate_height/2] + [0, -20, 0];
-motor_plate_clip_position=[24.5,-20.5,15]+fixed_block_position + [45, 0, 0];
-spacer_position=drive_assembly_position + motor_position + [0, 10.75, 0] + [0, 0, 0];
-lever_offset=[0,0,hub_z] + [0, 0, 35];
-fan_position=[21.5,0,27] + [30, 0, 0];
-accessories_position=[0,0,0] + [0, 0, 0];
-motor_add=[0, 0, -20];
-gear_add=[0, -40, 0];
-bearing_add=[0, 0, 30];
-*/
-
-
-
-
-
-module hob_jig_holes(teardrop_angle=-1)
-{
-
-		union()
-		{
-			rotate([-90,0,0])
-			{
-				if(teardrop_angle>=0)
-					cylinder(h=6,r=7.5,center=true, $fn=20);
-				else
-					teardrop(h=hob_gap+20,r=7.5,center=true,teardrop_angle=teardrop_angle,truncateMM=0.5);
-	
-				for(z=[-1,1])
-				translate([0,0,z*(hob_gap/2+3)])
-					if(teardrop_angle>0)
-						cylinder(h=6,r=9.5,center=true, $fn=20);
-					else
-						teardrop(h=6.2,r=10,center=true,teardrop_angle=teardrop_angle,truncateMM=0.5);
-			}
-
-			for(y=[-1,1])
-				translate([0, -5+y*12, 0])
-					cube([3,15,50], center=true);
-
-		}	
-
-}
-
-module hob_jig()
-{
-	difference()
-	{
-		translate([0, 0, -5])
-			cube([30, hob_gap+10,20], center=true);
-		hob_jig_holes(teardrop_angle=-1);
-		translate([0, 0, 10])
-			cube([40, hob_gap-10,20], center=true);
-	}
-}
-
-module hob_jig_handle()
-{
-	difference()
-	{
-	union()
-	{
-		translate([0, -5, -70])
-			cube([15, 15, 70], center=true);
-		translate([0, -5, -40])
-			cube([15, 35, 15], center=true);
-	}
-	for(y=[-1,1])
-		translate([0, -5+y*12, -50])
-			teardrop(h=50,r=screwsize/2,center=true,teardrop_angle=180,truncateMM=0.5);
-	}
-}
-
-module tie_rods(radius=3/2,teardrop_angle=-1)
-{
-	for(i=[-1/2,1/2])
-		translate([i*clamp_centres,0,-30])
-			if(teardrop_angle<0)
-				cylinder(h=100, r=radius, center=true,$fn=10);
-			else
-				teardrop(h=100,r=radius, center=true,    teardrop_angle=teardrop_angle, truncateMM=0.5);
-
-	translate([-clamp_centres/2,0,10])
-	teardrop(h=10,r=3.5, center=true,    teardrop_angle=teardrop_angle, truncateMM=0.5);
-}
-
-
-module nozzle_holes(teardrop_angle=-1)
-{
-	tie_rods(teardrop_angle=teardrop_angle);
-
-	// Filament
-
-	cylinder(h=150, r=1, center=true,$fn=15);
-	translate([0, 0, 15])
-		cylinder(h=10, r1=1, r2=2, center=true,$fn=15);
-
-}
-
-module fan_holes()
-{
-	for(y=[-16,16])
-	for(z=[-16,16])
-		translate([0,y,z])
-			rotate([0,90,0])
-				cylinder(h=100, r=1.5, center=true,$fn=15);
-}
-
-module fan(holes=false)
-{
-	if(holes)
-		fan_holes();
-	else
-	difference()
-	{
-		cube([7,40,40], center=true);
-		rotate([0,90,0])
-			cylinder(h=10, r=17, center=true,$fn=35);
-		fan_holes();
-	}
-}
-
-module accessories(holes=false,  teardrop_angle=270)
-{
-
-	// Fan
-
-	translate(fan_position)
-		fan();
-
-	if(huxley)
-		translate([0,0,-bearing_depth/2])
-		{
-
-			for(i=[-1,1])
-			{
-		
-				// X axis rods
-		
-				if(!holes)
-				translate([0, i*x_bar_gap/2 , 0])
-					rotate([0,90,0])
-						rod(100);
-				// Belts
-		
-				if(!holes)
-				translate([0, i*40 , 0])
-					cube([100,2,6], center=true);
-		
-				//360 bearings
-		
-		
-					translate([i*20, -x_bar_gap/2, 0])
-						rotate([90,0,-90])
-							if(holes)
-								adjustable_bearing(true,  teardrop_angle);
-							else
-								adjustable_bearing(true,-1);
-		
-			}
-
-		// 180 bearing
-	
-			translate([20, x_bar_gap/2, 0])
-				rotate([90, 0,90])
-					if(holes)
-						adjustable_bearing(false,  teardrop_angle);
-					else
-						adjustable_bearing(false,-1);
-		}
-
-	if(holes)
-	{
-	
-		// Nozzle
-	
-		translate([0, 0, -23+plate_thickness])
-		cylinder(h=46,r=4,center=true, $fn=15);
-		nozzle_holes();
-
-		if(mendel)
-		{
-			for(i=[-1,1])
-				translate([20, i*25, 0])
-					cylinder(h=50,r=2,center=true, $fn=15);
-		}
-	}
-
-}
-
-
-
-module motor_spacer()
-{
-		difference()
-		{
-			cube([nema11_square, 2.5, nema11_square], center = true);
-			translate([0, -2.5/2-1, 33])
-				cube([50, 5,50], center = true);
-			translate([0, 12,0])
-				rotate([-90,0,0])
-			 		nema11(body=false, slots = -1, counterbore=-1);
-		}
-}
-
-module drive_gear()
-{
-	grub_gear(hub_height = 7, hub_radius = 9.5, shaft_radius = 2.5, height = 8, number_of_teeth = 11, 
-		inner_radius = 6.5, outer_radius = 9, angle=25);
-}
-
-module drive_gear_and_motor(gear=true, holes=false)
-{
-	translate(motor_position)
-	{
-		if(gear)
-			rotate([90,gear_mesh,0])
-				drive_gear();
-		
-		translate([0, 12,0]+motor_add)
-			rotate([-90,0,0])
-		 		nema11(body=!holes, slots = -1, counterbore=8);
-	}
-}
-
-module driven_gear(wingnut=false)
-{
-	translate([0,-7,0])
-	rotate([-90,0,0])
-	difference()
-	{
-		union()
-		{
-			grub_gear(hub_height = 10, hub_radius = 10, shaft_radius = 3, height = 7, 
-				number_of_teeth = 31, inner_radius = motor_radius-10, outer_radius = motor_radius-7, angle=15);
-			if(wingnut)
-				difference()
-				{
-					strut(p1=[0,-7,-5], p2=[0,7,-5], wide = 10, deep = 15, round=2);
-					cylinder(h=50,r=9, center=true,$fn=20);
-				}
-		}
-		if(wingnut)
-		{
-			intersection()
-			{
-				translate([0,16,-14])
-					rotate([-30,0,0])
-						cube([4, 26, 20], center=true);
-				cylinder(h=50,r=13, center=true,$fn=20);
-			}
-			intersection()
-			{
-				translate([0,-16,-14])
-					rotate([30,0,0])
-						cube([4, 26, 20], center=true);
-				cylinder(h=50,r=13, center=true,$fn=20);
-			}
-		}
-	}
-}
-
-module m6_shaft(body=true,big_hole=7.5, teardrop_angle=-1)
-{
-	translate([0,-17,0])
-	rotate([-90,0,0])
-	{
-		union()
-		{
-			translate([0,0,(bearing_gap+27)/2])
-				if(body)
-					rod(bearing_gap+27);
-				else
-					teardrop(h=bearing_gap+52,r=big_hole,center=true, teardrop_angle=teardrop_angle,truncateMM=0.5);
-
-
-			translate([0,0,bearing_gap+22])
-				if(body)
-					translate(bearing_add)
-						cylinder(h=6,r=9.5,center=true);
-				else
-					teardrop(h=6.2,r=10,center=true,teardrop_angle=teardrop_angle,truncateMM=0.5);
-
-			translate([0,0,22])
-				if(body)
-					translate(-bearing_add)
-						cylinder(h=6,r=9.5,center=true);
-				else
-					teardrop(h=6.2,r=10,center=true,teardrop_angle=teardrop_angle,truncateMM=0.5);
-		}	
-	}
-}
-
-module drive_assembly()
-{
-	m6_shaft(body=true, big_hole=7.5, teardrop_angle=-1);
-	translate(gear_add)
-	{
-		driven_gear(wingnut=true);
-		drive_gear_and_motor();
-	}
-	translate(bearing_offset - [-3,filament_y_offset,0])
-		rotate([90,0,0])
-			cylinder(h=4, r=5, center=true, $fn=20);
-
-}
-
-module block_holes(teardrop_angle=-1, lever = false)
-{
-
-	translate([-10, 0, 0])
-		rotate([90, 0, 0])
-		{
-			teardrop(h=80, r=screwsize/2,  center=true,  teardrop_angle=teardrop_angle, faces=15);
-			translate([0, 0, 31])
-				rotate([0,0,30])
-					cylinder(h = 20, r = screwsize, center=true, $fn=6);
-		}
-
-	translate([10, 0, 0])
-		rotate([90, 0, 0])
-		{
-			teardrop(h=80,r=screwsize/2,  center=true, teardrop_angle=teardrop_angle, faces=15);
-			translate([0, 0, 31])
-				rotate([0,0,30])
-					cylinder(h = 20, r = screwsize, center=true, $fn=6);
-		}
-
-	translate([-10, 0, 32])
-		rotate([90, 0, 0])
-		{
-			teardrop(h=80,r=screwsize/2, center=true, teardrop_angle=teardrop_angle, faces=15);
-			translate([0, 0, 31])
-				rotate([0,0,30])
-					cylinder(h = 20, r = screwsize, center=true, $fn=6);
-		}
-
-	translate([6, 0, 30])
-		rotate([90, 0, 0])
-		{
-			if(lever)
-				teardrop(h=80,r=2, center=true, teardrop_angle=teardrop_angle, faces=15);
-			else
-				teardrop(h=80,r=screwsize/2, center=true, teardrop_angle=teardrop_angle, faces=15);
-			translate([0, 0, 31])
-				rotate([0,0,30])
-					cylinder(h = 20, r = screwsize, center=true, $fn=6);
-		}
-}
-
-
-module fixed_block()
-{
-	difference()
-	{
-		union()
-		{
-			difference()
-			{
-				union()
-				{
-					cube([36,fixed_block_width,10], center=true);
-					translate([-11.5,0,14 + (back_plate_height - 38)/2])
-						cube([13,33,back_plate_height], center=true);
-					
-					difference()
-					{
-						translate([0,0,12])
-							cube([10,8,24], center=true);
-						translate([11,0,20])
-							rotate([0,60,0])
-								cube([20,40,20], center = true);
-						translate([0,0,27])
-								cube([20,40,20], center = true);
-					}
-
-				}
-				
-				translate(drive_assembly_position-fixed_block_position)
-					m6_shaft(body=false,big_hole=4, teardrop_angle=-1);
-				translate([-10,0,19])
-					rotate([0,-30,0])
-						cube([50,20,13], center=true);
-				
-			}
-			translate(back_plate_position-fixed_block_position)
-				difference()
-				{
-					cube([36,fat_plate_thickness,back_plate_height], center=true);
-					translate(drive_assembly_position-back_plate_position)
-						m6_shaft(body=false,big_hole=7.5,  teardrop_angle=180);
-				}
-
-			translate([24.5,20.5,15])
-				difference()
-				{
-					translate([-2,0,0])
-						cube([9,8,20], center = true);
-					translate([-8,-4,0])
-						cube([16,8,30], center = true);
-					translate([0,-4/sin(45),0])
-						rotate([0,0,45])
-							cube([8,8,30], center = true);
-				}
-
-			translate([-2,0,back_plate_height-8])
-				cube([8,8,6], center = true);
-			translate([-2,0,back_plate_height-6])
-				cube([7,33,2], center = true);
-			translate([-14.5,5,back_plate_height])
-				cube([7,10,10], center = true);
-				
-		}
-		nozzle_holes(teardrop_angle=180);
-		if(mendel)
-		translate([0,26,0])
-			rotate([-10,0,0])
-				cylinder(h=100,r=4, center=true,$fn=15);
-		block_holes(teardrop_angle=180);
-		translate(lever_spring_offset-fixed_block_position)
-			lever_spring();
-	}
-}
-
-module duct_split()
-{
-	translate([-40.11,0,0])
-	union()
-	{
-		cube([45,40,60],center=true);
-		translate([21,0,-20])
-			rotate([0,0,45])
-				cube([5,5,70],center=true);
-		translate([21,0,-10])
-			rotate([0,45,0])
-				cube([5,70,5],center=true);
-	}
-}
-
-module duct_i()
-{	
-	difference()
-	{
-		cube([45,20,50],center=true);
-		cube([41,16,46],center=true);
-		translate(fixed_block_position-duct_offset)
-			nozzle_holes(teardrop_angle=180);
-		translate([10,0,9])
-			cube([45,40,50],center=true);
-		translate([39,0,0])
-			cube([45,40,60],center=true);
-		translate(drive_assembly_position-duct_offset+[0,-5,0])
-			drive_gear_and_motor(gear=false, holes=false);
-		translate(fixed_block_position-duct_offset)
-			teardrop(h=100, r=5, center=true,teardrop_angle=180, truncateMM=0.5);
-	}
-}
-
-module duct(split=0)
-{
-	if(split==1)
-		difference()
-		{
-			duct_i();
-			duct_split();
-		}
-	else if(split==2)
-		intersection()
-		{
-			duct_i();
-			duct_split();
-		}
-	else
-		duct_i();
-}
-
-module bracket_holes(teardrop_angle=-1)
-{
-	for(x=[-1,1])
-	for(z=[0,1])
-	{
-		translate([x*12, -30, -4-10*z])
-			rotate([90,0,0])
-			{
-				teardrop(h=40, r=screwsize/2, center=true,teardrop_angle=teardrop_angle, truncateMM=0.5);
-				if(teardrop_angle>=0)
-					translate([0,0,-6])
-						rotate([0, 0, teardrop_angle])
-							pentanut(height=20,center=true);
-			}
-	}
-}
-
-
-module belt_clamp()
-{
-	difference()
-	{
-		translate([0, 0, 0])
-			cube([8,5,18], center=true);
-		translate(base_position-clamp_position)
-			bracket_holes(teardrop_angle=-1);
-	}
-}
-
-module base_plate()
-{
-	if(huxley)
-	{
-		difference()
-		{
-			union()
-			{
-				translate([0, 0, plate_thickness/2])
-					cube([50,60,plate_thickness], center=true);
-				if(huxley)
-					translate([0, -29,-8.5+plate_thickness/2])
-						difference()
-						{
-							cube([32, 20, 22], center=true);
-							translate([0, 8, -4])
-								cube([40, 20, 20], center=true);
-						}
-			}
-			accessories(holes=true, angle=361);
-	
-			translate(bracket_position-base_position)
-				bracket_holes(teardrop_angle=90);
-		}
-	} else
-	{
-		union()
-		{
-			difference()
-			{
-				union()
-				{
-					difference()
-					{
-						cube([36,54,5],center=true);
-						translate([0,-20,6])
-							rotate([3,0,0])
-								cube([40,30,7],center=true);
-					}
-					translate([0,0,4])
-						cube([36,28,9],center=true);
-				}
-				translate([0,0,10])
-				tie_rods();
-				cylinder(h=100, r=4, center=true,$fn=30);
-				for(i=[-1/2,1/2])
-				{
-					translate([0,i*46,0])
-						cylinder(h=100, r=2, center=true,$fn=10);
-					translate([0,i*56,0])
-						cube([4,10,100],center=true);
-				}
-			}
-			translate([24.5,0,10])
-				difference()
-				{
-					translate([-2,0,-4])
-						cube([9,20,17], center = true);
-					translate([-8,0,4])
-						cube([16,30,8], center = true);
-					translate([-10,0,1.5])
-						cube([16,30,18], center = true);
-					translate([0,0,4/sin(45)])
-						rotate([0,45,0])
-							cube([8,30,8], center = true);
-				}
-		}
-	}
-}
-
-module bearing_hole()
-{
-
-	rotate([90,0,0])
-		teardrop(h=100,r=screwsize/2, center=true,   teardrop_angle=180,truncateMM=0.5);
-	translate([0,43,0])
-		rotate([90,0,0])
-			teardrop(h=30,r=screwsize, center=false,   teardrop_angle=180,truncateMM=0.5);
-	translate([0,-23,0])
-		rotate([90,180,0])
-			pentanut(height=20, center=true);	
-}
-
-
-module lever_spring()
-{
-	rotate([0,90,0])
-	union()
-	{
-		cylinder(h=200, r=2,$fn=10);
-		translate([0,0,31])
-			cylinder(r=3.5,h=10, center=true, $fn=6);
-		translate([0,0,40])
-			cylinder(r=4,h=14, center=true, $fn=15);
-		translate([0,0,48.5])
-			cylinder(r1=4,r2=2,h=3, center=true, $fn=15);
-	}
-}
-
-module bevel_cube(box)
-{
-	difference()
-	{
-		cube(box, center=true);
-
-		translate([0,(box.y-box.x)/2,0])
-			rotate([0,0,45])
-				translate([0, box.y/2,0])
-					cube([2*box.x, box.y, 2*box.z], center=true);
-
-		translate([0,-(box.y-box.x)/2,0])
-			rotate([0,0,-45])
-				translate([0, -box.y/2,0])
-					cube([2*box.x, box.y, 2*box.z], center=true);
-
-		translate([0,0,(box.z-box.x)/2])
-			rotate([0,-45,0])
-				translate([0, 0, box.z/2])
-					cube([2*box.x, 2*box.y, box.z], center=true);
-	}
-}
-
-module lever()
-{
-
-
-
-	difference()
-	{
-	translate([8.5,0,15])
-		cube([12,32,40], center=true);
-
-	translate([8.5,-10,36])
-		rotate([20,0,0])
-			cube([20,32,30], center=true);
-
-	translate([8.5,19,36])
-		rotate([60,0,0])
-			cube([20,32,30], center=true);
-
-
-	translate([10,0,-3])
-	{
-		cube([30,18,20], center=true);
-		translate([-3,0,0])
-			bevel_cube(box=[15,28,30]);
-	}
-
-	translate(fixed_block_position-lever_offset)
-		block_holes(teardrop_angle=180, lever=true);
-
-	translate(bearing_offset)
-		bearing_hole();
-
-	translate(lever_spring_offset-lever_offset)
-		lever_spring();
-	}
-
-}
-
-module motor_plate()
-{
-		difference()
-		{
-			translate([-motor_plate_extra_x/2, 0, 0])
-				cube([36+motor_plate_extra_x,fat_plate_thickness,back_plate_height], center=true);
-			translate([-motor_plate_extra_x/2-23,0,-26])
-				cube([36,20,20], center=true);
-			translate([-motor_plate_extra_x/2-18.5,0,26])
-				cube([36,20,20], center=true);
-			translate(drive_assembly_position-motor_plate_position)
-				m6_shaft(body=false,big_hole=7.5, teardrop_angle=-1);
-			translate(drive_assembly_position-motor_plate_position)
-				drive_gear_and_motor(gear=false, holes=true);
-			translate(fixed_block_position-motor_plate_position)
-				block_holes(teardrop_angle=-1);
-			translate([0,-26,0]+fixed_block_position-motor_plate_position)
-				rotate([10,0,0])
-					cylinder(h=100,r=4, center=true,$fn=15);
-			translate(motor_plate_clip_position-motor_plate_position)
-				motor_plate_clip();
-		}
-
-}
-
-module motor_plate_clip()
-{
-	difference()
-	{
-		translate([-2,0,0])
-		{
-			cube([9,8,20], center = true);
-			translate([-4,0,0])
-				rotate([0,45,0])
-					cube([8,8,8], center = true);
-		}
-		translate([-8,4,0])
-			cube([16,8,30], center = true);
-		translate([0,4/sin(45),0])
-			rotate([0,0,45])
-				cube([8,8,30], center = true);
-	}
-}
-
-//------------------------------------------------------------------
-
-// Uncomment to check hole interference
-/*
-translate(fixed_block_position)
-	block_holes();
-
-translate(idler_position)
-	idler_holes();
-
-translate(base_position)
-	nozzle_holes();
-
-translate(clamp_position)
-	bracket_holes();
-*/
-//--------------------------------------------------------------------
-
-
-
-
-
-//--------------------------------------------------------------------
-
-// Uncomment to get entire assembly
-
-translate(fixed_block_position)
-	fixed_block();
-
-translate(duct_offset)
-	duct();
-
-translate(base_position)
-	base_plate();
-
-if(huxley)
-	translate(clamp_position)
-		belt_clamp();
-
-translate(motor_plate_position)
-	motor_plate();
-
-translate(motor_plate_clip_position)
-	motor_plate_clip();
-
-translate(spacer_position)
-	motor_spacer();
-
-translate(lever_offset)
-	lever();
-
-translate(drive_assembly_position)
-	drive_assembly();
-
-translate(fan_position)
-	fan();
-
-translate(accessories_position)
-	accessories();
-//-----------------------------------------------------------------
-
-
-
-
-// Individual built items
-
-// For Huxley
-//----
-//adjustable_bearing(true,-1); // 2 off
-//adjustable_bearing(false,-1);
-//belt_clamp(); // 2 off
-//----
-
-// For all
-
-//hob_jig();
-//hob_jig_handle();
-//duct(1);
-//duct(2);
-//fixed_block();
-//lever();
-//base_plate();
-//motor_plate();
-//motor_plate_clip();
-//motor_spacer();
-//drive_gear();
-//driven_gear(wingnut=true);

Copied: trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad (from rev 4091, trunk/huxley/OpenSCAD-huxley/Old-Extruder-Designs/universal-1.75mm-filament-extruder.scad)
===================================================================
--- trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad	                        (rev 0)
+++ trunk/huxley/OpenSCAD-huxley/universal-1.75mm-filament-extruder.scad	2011-04-13 16:11:28 UTC (rev 4092)
@@ -0,0 +1,857 @@
+/*
+
+RepRap Universal 1.75mm Filament Extruder
+
+Adrian Bowyer  13 April 2011
+
+Licence: GPL.
+
+*/
+
+include <parameters.scad>;
+use <library.scad>;
+
+motor_angle=-10;
+gear_mesh=7;
+clamp_centres=28;
+plate_thickness=5;
+fat_plate_thickness=8;
+filament_y_offset=-27;
+bearing_gap=44;
+idler_z = 31;
+fixed_block_width=33;
+back_plate_height=41;
+motor_plate_extra_x=35;
+hob_gap=55;
+motor_radius=34;
+
+filament_radius=1.75/2;
+hub_x=-3-filament_radius;
+hub_z=31;
+
+idler_offset=[5.5,0,0];
+bearing_offset=[5+filament_radius, 0, 0];
+lever_spring_offset=[-39,5,back_plate_height+10];
+back_plate_position=[0,fixed_block_width/2+fat_plate_thickness/2,5+back_plate_height/2];
+motor_position=[-motor_radius*cos(motor_angle), 1, motor_radius*sin(motor_angle)];
+
+
+
+fixed_block_position=[0,0,10];
+duct_offset=[-5.5,0,10];
+base_position=[0,0,-3.5];
+clamp_position=[-12, -44, -9];
+drive_assembly_position=[hub_x,filament_y_offset,hub_z];
+motor_plate_position=[0,-fixed_block_width/2-fat_plate_thickness/2,5+back_plate_height/2];
+motor_plate_clip_position=[24.5,-20.5,15]+fixed_block_position;
+spacer_position=drive_assembly_position + motor_position + [0, 10.75, 0];
+lever_offset=[0,0,hub_z];
+fan_position=[21.5,0,27];
+accessories_position=[0,0,0];
+motor_add=[0, 0, 0];
+gear_add=[0, 0, 0];
+bearing_add=[0, 0, 0];
+
+
+/*
+//--- Experimental exploded view
+fixed_block_position=[0,0,10];
+duct_offset=[-5.5,0,10] + [0, 0, -70];
+base_position=[0,0,-3.5] + [0, 0, -20];
+clamp_position=[-12, -44, -9] + [0, -40, 0];
+drive_assembly_position=[hub_x,filament_y_offset,hub_z] + [0, 0, 0];
+motor_plate_position=[0,-fixed_block_width/2-fat_plate_thickness/2,5+back_plate_height/2] + [0, -20, 0];
+motor_plate_clip_position=[24.5,-20.5,15]+fixed_block_position + [45, 0, 0];
+spacer_position=drive_assembly_position + motor_position + [0, 10.75, 0] + [0, 0, 0];
+lever_offset=[0,0,hub_z] + [0, 0, 35];
+fan_position=[21.5,0,27] + [30, 0, 0];
+accessories_position=[0,0,0] + [0, 0, 0];
+motor_add=[0, 0, -20];
+gear_add=[0, -40, 0];
+bearing_add=[0, 0, 30];
+*/
+
+
+
+
+
+module hob_jig_holes(teardrop_angle=-1)
+{
+
+		union()
+		{
+			rotate([-90,0,0])
+			{
+				if(teardrop_angle>=0)
+					cylinder(h=6,r=7.5,center=true, $fn=20);
+				else
+					teardrop(h=hob_gap+20,r=7.5,center=true,teardrop_angle=teardrop_angle,truncateMM=0.5);
+	
+				for(z=[-1,1])
+				translate([0,0,z*(hob_gap/2+3)])
+					if(teardrop_angle>0)
+						cylinder(h=6,r=9.5,center=true, $fn=20);
+					else
+						teardrop(h=6.2,r=10,center=true,teardrop_angle=teardrop_angle,truncateMM=0.5);
+			}
+
+			for(y=[-1,1])
+				translate([0, -5+y*12, 0])
+					cube([3,15,50], center=true);
+
+		}	
+
+}
+
+module hob_jig()
+{
+	difference()
+	{
+		translate([0, 0, -5])
+			cube([30, hob_gap+10,20], center=true);
+		hob_jig_holes(teardrop_angle=-1);
+		translate([0, 0, 10])
+			cube([40, hob_gap-10,20], center=true);
+	}
+}
+
+module hob_jig_handle()
+{
+	difference()
+	{
+	union()
+	{
+		translate([0, -5, -70])
+			cube([15, 15, 70], center=true);
+		translate([0, -5, -40])
+			cube([15, 35, 15], center=true);
+	}
+	for(y=[-1,1])
+		translate([0, -5+y*12, -50])
+			teardrop(h=50,r=screwsize/2,center=true,teardrop_angle=180,truncateMM=0.5);
+	}
+}
+
+module tie_rods(radius=3/2,teardrop_angle=-1)
+{
+	for(i=[-1/2,1/2])
+		translate([i*clamp_centres,0,-30])
+			if(teardrop_angle<0)
+				cylinder(h=100, r=radius, center=true,$fn=10);
+			else
+				teardrop(h=100,r=radius, center=true,    teardrop_angle=teardrop_angle, truncateMM=0.5);
+
+	translate([-clamp_centres/2,0,10])
+	teardrop(h=10,r=3.5, center=true,    teardrop_angle=teardrop_angle, truncateMM=0.5);
+}
+
+
+module nozzle_holes(teardrop_angle=-1)
+{
+	tie_rods(teardrop_angle=teardrop_angle);
+
+	// Filament
+
+	cylinder(h=150, r=1, center=true,$fn=15);
+	translate([0, 0, 15])
+		cylinder(h=10, r1=1, r2=2, center=true,$fn=15);
+
+}
+
+module fan_holes()
+{
+	for(y=[-16,16])
+	for(z=[-16,16])
+		translate([0,y,z])
+			rotate([0,90,0])
+				cylinder(h=100, r=1.5, center=true,$fn=15);
+}
+
+module fan(holes=false)
+{
+	if(holes)
+		fan_holes();
+	else
+	difference()
+	{
+		cube([7,40,40], center=true);
+		rotate([0,90,0])
+			cylinder(h=10, r=17, center=true,$fn=35);
+		fan_holes();
+	}
+}
+
+module accessories(holes=false,  teardrop_angle=270)
+{
+
+	// Fan
+
+	translate(fan_position)
+		fan();
+
+	if(huxley)
+		translate([0,0,-bearing_depth/2])
+		{
+
+			for(i=[-1,1])
+			{
+		
+				// X axis rods
+		
+				if(!holes)
+				translate([0, i*x_bar_gap/2 , 0])
+					rotate([0,90,0])
+						rod(100);
+				// Belts
+		
+				if(!holes)
+				translate([0, i*40 , 0])
+					cube([100,2,6], center=true);
+		
+				//360 bearings
+		
+		
+					translate([i*20, -x_bar_gap/2, 0])
+						rotate([90,0,-90])
+							if(holes)
+								adjustable_bearing(true,  teardrop_angle);
+							else
+								adjustable_bearing(true,-1);
+		
+			}
+
+		// 180 bearing
+	
+			translate([20, x_bar_gap/2, 0])
+				rotate([90, 0,90])
+					if(holes)
+						adjustable_bearing(false,  teardrop_angle);
+					else
+						adjustable_bearing(false,-1);
+		}
+
+	if(holes)
+	{
+	
+		// Nozzle
+	
+		translate([0, 0, -23+plate_thickness])
+		cylinder(h=46,r=4,center=true, $fn=15);
+		nozzle_holes();
+
+		if(mendel)
+		{
+			for(i=[-1,1])
+				translate([20, i*25, 0])
+					cylinder(h=50,r=2,center=true, $fn=15);
+		}
+	}
+
+}
+
+
+
+module motor_spacer()
+{
+		difference()
+		{
+			cube([nema11_square, 2.5, nema11_square], center = true);
+			translate([0, -2.5/2-1, 33])
+				cube([50, 5,50], center = true);
+			translate([0, 12,0])
+				rotate([-90,0,0])
+			 		nema11(body=false, slots = -1, counterbore=-1);
+		}
+}
+
+module drive_gear()
+{
+	grub_gear(hub_height = 7, hub_radius = 9.5, shaft_radius = 2.5, height = 8, number_of_teeth = 11, 
+		inner_radius = 6.5, outer_radius = 9, angle=25);
+}
+
+module drive_gear_and_motor(gear=true, holes=false)
+{
+	translate(motor_position)
+	{
+		if(gear)
+			rotate([90,gear_mesh,0])
+				drive_gear();
+		
+		translate([0, 12,0]+motor_add)
+			rotate([-90,0,0])
+		 		nema11(body=!holes, slots = -1, counterbore=8);
+	}
+}
+
+module driven_gear(wingnut=false)
+{
+	translate([0,-7,0])
+	rotate([-90,0,0])
+	difference()
+	{
+		union()
+		{
+			grub_gear(hub_height = 10, hub_radius = 10, shaft_radius = 3, height = 7, 
+				number_of_teeth = 31, inner_radius = motor_radius-10, outer_radius = motor_radius-7, angle=15);
+			if(wingnut)
+				difference()
+				{
+					strut(p1=[0,-7,-5], p2=[0,7,-5], wide = 10, deep = 15, round=2);
+					cylinder(h=50,r=9, center=true,$fn=20);
+				}
+		}
+		if(wingnut)
+		{
+			intersection()
+			{
+				translate([0,16,-14])
+					rotate([-30,0,0])
+						cube([4, 26, 20], center=true);
+				cylinder(h=50,r=13, center=true,$fn=20);
+			}
+			intersection()
+			{
+				translate([0,-16,-14])
+					rotate([30,0,0])
+						cube([4, 26, 20], center=true);
+				cylinder(h=50,r=13, center=true,$fn=20);
+			}
+		}
+	}
+}
+
+module m6_shaft(body=true,big_hole=7.5, teardrop_angle=-1)
+{
+	translate([0,-17,0])
+	rotate([-90,0,0])
+	{
+		union()
+		{
+			translate([0,0,(bearing_gap+27)/2])
+				if(body)
+					rod(bearing_gap+27);
+				else
+					teardrop(h=bearing_gap+52,r=big_hole,center=true, teardrop_angle=teardrop_angle,truncateMM=0.5);
+
+
+			translate([0,0,bearing_gap+22])
+				if(body)
+					translate(bearing_add)
+						cylinder(h=6,r=9.5,center=true);
+				else
+					teardrop(h=6.2,r=10,center=true,teardrop_angle=teardrop_angle,truncateMM=0.5);
+
+			translate([0,0,22])
+				if(body)
+					translate(-bearing_add)
+						cylinder(h=6,r=9.5,center=true);
+				else
+					teardrop(h=6.2,r=10,center=true,teardrop_angle=teardrop_angle,truncateMM=0.5);
+		}	
+	}
+}
+
+module drive_assembly()
+{
+	m6_shaft(body=true, big_hole=7.5, teardrop_angle=-1);
+	translate(gear_add)
+	{
+		driven_gear(wingnut=true);
+		drive_gear_and_motor();
+	}
+	translate(bearing_offset - [-3,filament_y_offset,0])
+		rotate([90,0,0])
+			cylinder(h=4, r=5, center=true, $fn=20);
+
+}
+
+module block_holes(teardrop_angle=-1, lever = false)
+{
+
+	translate([-10, 0, 0])
+		rotate([90, 0, 0])
+		{
+			teardrop(h=80, r=screwsize/2,  center=true,  teardrop_angle=teardrop_angle, faces=15);
+			translate([0, 0, 31])
+				rotate([0,0,30])
+					cylinder(h = 20, r = screwsize, center=true, $fn=6);
+		}
+
+	translate([10, 0, 0])
+		rotate([90, 0, 0])
+		{
+			teardrop(h=80,r=screwsize/2,  center=true, teardrop_angle=teardrop_angle, faces=15);
+			translate([0, 0, 31])
+				rotate([0,0,30])
+					cylinder(h = 20, r = screwsize, center=true, $fn=6);
+		}
+
+	translate([-10, 0, 32])
+		rotate([90, 0, 0])
+		{
+			teardrop(h=80,r=screwsize/2, center=true, teardrop_angle=teardrop_angle, faces=15);
+			translate([0, 0, 31])
+				rotate([0,0,30])
+					cylinder(h = 20, r = screwsize, center=true, $fn=6);
+		}
+
+	translate([6, 0, 30])
+		rotate([90, 0, 0])
+		{
+			if(lever)
+				teardrop(h=80,r=2, center=true, teardrop_angle=teardrop_angle, faces=15);
+			else
+				teardrop(h=80,r=screwsize/2, center=true, teardrop_angle=teardrop_angle, faces=15);
+			translate([0, 0, 31])
+				rotate([0,0,30])
+					cylinder(h = 20, r = screwsize, center=true, $fn=6);
+		}
+}
+
+
+module fixed_block()
+{
+	difference()
+	{
+		union()
+		{
+			difference()
+			{
+				union()
+				{
+					cube([36,fixed_block_width,10], center=true);
+					translate([-11.5,0,14 + (back_plate_height - 38)/2])
+						cube([13,33,back_plate_height], center=true);
+					
+					difference()
+					{
+						translate([0,0,12])
+							cube([10,8,24], center=true);
+						translate([11,0,20])
+							rotate([0,60,0])
+								cube([20,40,20], center = true);
+						translate([0,0,27])
+								cube([20,40,20], center = true);
+					}
+
+				}
+				
+				translate(drive_assembly_position-fixed_block_position)
+					m6_shaft(body=false,big_hole=4, teardrop_angle=-1);
+				translate([-10,0,19])
+					rotate([0,-30,0])
+						cube([50,20,13], center=true);
+				
+			}
+			translate(back_plate_position-fixed_block_position)
+				difference()
+				{
+					cube([36,fat_plate_thickness,back_plate_height], center=true);
+					translate(drive_assembly_position-back_plate_position)
+						m6_shaft(body=false,big_hole=7.5,  teardrop_angle=180);
+				}
+
+			translate([24.5,20.5,15])
+				difference()
+				{
+					translate([-2,0,0])
+						cube([9,8,20], center = true);
+					translate([-8,-4,0])
+						cube([16,8,30], center = true);
+					translate([0,-4/sin(45),0])
+						rotate([0,0,45])
+							cube([8,8,30], center = true);
+				}
+
+			translate([-2,0,back_plate_height-8])
+				cube([8,8,6], center = true);
+			translate([-2,0,back_plate_height-6])
+				cube([7,33,2], center = true);
+			translate([-14.5,5,back_plate_height])
+				cube([7,10,10], center = true);
+				
+		}
+		nozzle_holes(teardrop_angle=180);
+		if(mendel)
+		translate([0,26,0])
+			rotate([-10,0,0])
+				cylinder(h=100,r=4, center=true,$fn=15);
+		block_holes(teardrop_angle=180);
+		translate(lever_spring_offset-fixed_block_position)
+			lever_spring();
+	}
+}
+
+module duct_split()
+{
+	translate([-40.11,0,0])
+	union()
+	{
+		cube([45,40,60],center=true);
+		translate([21,0,-20])
+			rotate([0,0,45])
+				cube([5,5,70],center=true);
+		translate([21,0,-10])
+			rotate([0,45,0])
+				cube([5,70,5],center=true);
+	}
+}
+
+module duct_i()
+{	
+	difference()
+	{
+		cube([45,20,50],center=true);
+		cube([41,16,46],center=true);
+		translate(fixed_block_position-duct_offset)
+			nozzle_holes(teardrop_angle=180);
+		translate([10,0,9])
+			cube([45,40,50],center=true);
+		translate([39,0,0])
+			cube([45,40,60],center=true);
+		translate(drive_assembly_position-duct_offset+[0,-5,0])
+			drive_gear_and_motor(gear=false, holes=false);
+		translate(fixed_block_position-duct_offset)
+			teardrop(h=100, r=5, center=true,teardrop_angle=180, truncateMM=0.5);
+	}
+}
+
+module duct(split=0)
+{
+	if(split==1)
+		difference()
+		{
+			duct_i();
+			duct_split();
+		}
+	else if(split==2)
+		intersection()
+		{
+			duct_i();
+			duct_split();
+		}
+	else
+		duct_i();
+}
+
+module bracket_holes(teardrop_angle=-1)
+{
+	for(x=[-1,1])
+	for(z=[0,1])
+	{
+		translate([x*12, -30, -4-10*z])
+			rotate([90,0,0])
+			{
+				teardrop(h=40, r=screwsize/2, center=true,teardrop_angle=teardrop_angle, truncateMM=0.5);
+				if(teardrop_angle>=0)
+					translate([0,0,-6])
+						rotate([0, 0, teardrop_angle])
+							pentanut(height=20,center=true);
+			}
+	}
+}
+
+
+module belt_clamp()
+{
+	difference()
+	{
+		translate([0, 0, 0])
+			cube([8,5,18], center=true);
+		translate(base_position-clamp_position)
+			bracket_holes(teardrop_angle=-1);
+	}
+}
+
+module base_plate()
+{
+	if(huxley)
+	{
+		difference()
+		{
+			union()
+			{
+				translate([0, 0, plate_thickness/2])
+					cube([50,60,plate_thickness], center=true);
+				if(huxley)
+					translate([0, -29,-8.5+plate_thickness/2])
+						difference()
+						{
+							cube([32, 20, 22], center=true);
+							translate([0, 8, -4])
+								cube([40, 20, 20], center=true);
+						}
+			}
+			accessories(holes=true, angle=361);
+	
+			translate(bracket_position-base_position)
+				bracket_holes(teardrop_angle=90);
+		}
+	} else
+	{
+		union()
+		{
+			difference()
+			{
+				union()
+				{
+					difference()
+					{
+						cube([36,54,5],center=true);
+						translate([0,-20,6])
+							rotate([3,0,0])
+								cube([40,30,7],center=true);
+					}
+					translate([0,0,4])
+						cube([36,28,9],center=true);
+				}
+				translate([0,0,10])
+				tie_rods();
+				cylinder(h=100, r=4, center=true,$fn=30);
+				for(i=[-1/2,1/2])
+				{
+					translate([0,i*46,0])
+						cylinder(h=100, r=2, center=true,$fn=10);
+					translate([0,i*56,0])
+						cube([4,10,100],center=true);
+				}
+			}
+			translate([24.5,0,10])
+				difference()
+				{
+					translate([-2,0,-4])
+						cube([9,20,17], center = true);
+					translate([-8,0,4])
+						cube([16,30,8], center = true);
+					translate([-10,0,1.5])
+						cube([16,30,18], center = true);
+					translate([0,0,4/sin(45)])
+						rotate([0,45,0])
+							cube([8,30,8], center = true);
+				}
+		}
+	}
+}
+
+module bearing_hole()
+{
+
+	rotate([90,0,0])
+		teardrop(h=100,r=screwsize/2, center=true,   teardrop_angle=180,truncateMM=0.5);
+	translate([0,43,0])
+		rotate([90,0,0])
+			teardrop(h=30,r=screwsize, center=false,   teardrop_angle=180,truncateMM=0.5);
+	translate([0,-23,0])
+		rotate([90,180,0])
+			pentanut(height=20, center=true);	
+}
+
+
+module lever_spring()
+{
+	rotate([0,90,0])
+	union()
+	{
+		cylinder(h=200, r=2,$fn=10);
+		translate([0,0,31])
+			cylinder(r=3.5,h=10, center=true, $fn=6);
+		translate([0,0,40])
+			cylinder(r=4,h=14, center=true, $fn=15);
+		translate([0,0,48.5])
+			cylinder(r1=4,r2=2,h=3, center=true, $fn=15);
+	}
+}
+
+module bevel_cube(box)
+{
+	difference()
+	{
+		cube(box, center=true);
+
+		translate([0,(box.y-box.x)/2,0])
+			rotate([0,0,45])
+				translate([0, box.y/2,0])
+					cube([2*box.x, box.y, 2*box.z], center=true);
+
+		translate([0,-(box.y-box.x)/2,0])
+			rotate([0,0,-45])
+				translate([0, -box.y/2,0])
+					cube([2*box.x, box.y, 2*box.z], center=true);
+
+		translate([0,0,(box.z-box.x)/2])
+			rotate([0,-45,0])
+				translate([0, 0, box.z/2])
+					cube([2*box.x, 2*box.y, box.z], center=true);
+	}
+}
+
+module lever()
+{
+
+
+
+	difference()
+	{
+	translate([8.5,0,15])
+		cube([12,32,40], center=true);
+
+	translate([8.5,-10,36])
+		rotate([20,0,0])
+			cube([20,32,30], center=true);
+
+	translate([8.5,19,36])
+		rotate([60,0,0])
+			cube([20,32,30], center=true);
+
+
+	translate([10,0,-3])
+	{
+		cube([30,18,20], center=true);
+		translate([-3,0,0])
+			bevel_cube(box=[15,28,30]);
+	}
+
+	translate(fixed_block_position-lever_offset)
+		block_holes(teardrop_angle=180, lever=true);
+
+	translate(bearing_offset)
+		bearing_hole();
+
+	translate(lever_spring_offset-lever_offset)
+		lever_spring();
+	}
+
+}
+
+module motor_plate()
+{
+		difference()
+		{
+			translate([-motor_plate_extra_x/2, 0, 0])
+				cube([36+motor_plate_extra_x,fat_plate_thickness,back_plate_height], center=true);
+			translate([-motor_plate_extra_x/2-23,0,-26])
+				cube([36,20,20], center=true);
+			translate([-motor_plate_extra_x/2-18.5,0,26])
+				cube([36,20,20], center=true);
+			translate(drive_assembly_position-motor_plate_position)
+				m6_shaft(body=false,big_hole=7.5, teardrop_angle=-1);
+			translate(drive_assembly_position-motor_plate_position)
+				drive_gear_and_motor(gear=false, holes=true);
+			translate(fixed_block_position-motor_plate_position)
+				block_holes(teardrop_angle=-1);
+			translate([0,-26,0]+fixed_block_position-motor_plate_position)
+				rotate([10,0,0])
+					cylinder(h=100,r=4, center=true,$fn=15);
+			translate(motor_plate_clip_position-motor_plate_position)
+				motor_plate_clip();
+		}
+
+}
+
+module motor_plate_clip()
+{
+	difference()
+	{
+		translate([-2,0,0])
+		{
+			cube([9,8,20], center = true);
+			translate([-4,0,0])
+				rotate([0,45,0])
+					cube([8,8,8], center = true);
+		}
+		translate([-8,4,0])
+			cube([16,8,30], center = true);
+		translate([0,4/sin(45),0])
+			rotate([0,0,45])
+				cube([8,8,30], center = true);
+	}
+}
+
+//------------------------------------------------------------------
+
+// Uncomment to check hole interference
+/*
+translate(fixed_block_position)
+	block_holes();
+
+translate(idler_position)
+	idler_holes();
+
+translate(base_position)
+	nozzle_holes();
+
+translate(clamp_position)
+	bracket_holes();
+*/
+//--------------------------------------------------------------------
+
+
+
+
+
+//--------------------------------------------------------------------
+
+// Uncomment to get entire assembly
+
+translate(fixed_block_position)
+	fixed_block();
+
+translate(duct_offset)
+	duct();
+
+translate(base_position)
+	base_plate();
+
+if(huxley)
+	translate(clamp_position)
+		belt_clamp();
+
+translate(motor_plate_position)
+	motor_plate();
+
+translate(motor_plate_clip_position)
+	motor_plate_clip();
+
+translate(spacer_position)
+	motor_spacer();
+
+translate(lever_offset)
+	lever();
+
+translate(drive_assembly_position)
+	drive_assembly();
+
+translate(fan_position)
+	fan();
+
+translate(accessories_position)
+	accessories();
+//-----------------------------------------------------------------
+
+
+
+
+// Individual built items
+
+// For Huxley
+//----
+//adjustable_bearing(true,-1); // 2 off
+//adjustable_bearing(false,-1);
+//belt_clamp(); // 2 off
+//----
+
+// For all
+
+//hob_jig();
+//hob_jig_handle();
+//duct(1);
+//duct(2);
+//fixed_block();
+//lever();
+//base_plate();
+//motor_plate();
+//motor_plate_clip();
+//motor_spacer();
+//drive_gear();
+//driven_gear(wingnut=true);


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