a parametric 3D CAD modeler
Simple Road Design and Earthworks
Cross-platform Open-source 2D CAD
BoltGenerator is an automated CAD tool which produces 3D bolts.
Demonstrates a quadtree for spatial indexing of triangles
Design your own pottery for 3D printing in full color
Free 3D Mobile CAD
Free multiphysics simulation software package
CNC machine code generation for 3D models
Small application to open multiple file with a pre-processor
Application to manage userdefined animator toolbars