GCAD3D - 3D-CAD-CAM-software

http://www.icewalkers.com/Linux/Software/518990/gCAD3D.html

3D-CAD-CAM-software with integrated 3D-OpenGL-viewer, import-/ export-programs, (STEP, Iges, DXF, VRML, STL) integrated NC-processor, programming interface for user programs (plugins).