Create and edit LDraw™ parts quick and easy.
Java3d scenegraph editor
Free 3D Mobile CAD
Calculates Volume, Surface Area & Centroid of a Closed Triangular Mesh
Faceting design software
build three dimensional structure
Support for jgeom, the java geometry graphics library using NURBS
Convert heightmaps to stl
The X3DV Module Suite is a free set of Netbeans modules to code in X3D