A math-inspired CAD program in haskell. CSG, bevels, and shells
a parametric 3D CAD modeler
Free software for maps
2.5D CAD CAM emphasis on CAM and toolpaths
3D CAM program for CNC mills/lathes
Simple CAD program
Gesture based movement with CATIA
Cuts 3D objects from polystyrene foam (EPS/XPS)