a parametric 3D CAD modeler
Simple Road Design and Earthworks
Cross-platform Open-source 2D CAD
Demonstrates a quadtree for spatial indexing of triangles
Free 3D Mobile CAD
Open DXFs with QCad
2.5D CAD CAM emphasis on CAM and toolpaths
3D CAM program for CNC mills/lathes
CNC machine code generation for 3D models
Application to manage userdefined animator toolbars