Log Message:
add gcad3d, a GTK based 3D CAD software

3D - CADCAM - software

gCAD3D has its own:
    import and export-programs (Step, Iges, VRML, DXF, SVG ..),
    integrated 3D-OpenGL viewer,
    program interpreter for geometry and NC commands in 3D,
    integrated NC processor.
    programming interface for userprograms (plugins)
    programming interface for RemoteControl