a parametric 3D CAD modeler
Open-Source Shoemaking
3D modeler, 3D game maker, 3D demo maker
3D computer models hosted here, in usually .3ds format
Geometric kernel for CAD programs using an atomic approach
A designer’s program for describing parts of the building
3D tree generator
Interactive spherical geometry software.
Cuts 3D objects from polystyrene foam (EPS/XPS)