Simple CAD program
A WebGL-based 3D engine for technical visualization
Gphoton in a simple 3d modeler and ray tracer.
rayshade 4.0.6 linux patch
A designer’s program for describing parts of the building
kicad 3D is aimed to add 3D realistic feature on kicad pcb CAD
Pattern making software for the fashion industry.
dedalo is a 2d cad drawing software written in python3.
Cuts 3D objects from polystyrene foam (EPS/XPS)
Open Source CAD