A python parametric CAD scripting framework based on OCCT
A python module for scientific analysis of 3D data
Wings 3D is an advanced subdivision modeler
3D modeler, 3D game maker, 3D demo maker
LDraw™ editor for LEGO® style digital building instructions.
The programmer's solid 3D CAD modeller
STL Viewer for java
Free 3D Mobile CAD
Converts between many 3D data formats
Fix STL files for 3D printing
Tiny but powerful single file wavefront obj loader
Convert heightmaps to stl
Cuts 3D objects from polystyrene foam (EPS/XPS)