Convert VDAFS file to DXF file (in 3DFACE entities) and generates a NC program for milling. There will be interpreted the entities of type PSET, FACE (created from the entities of type SURF and CONS) and possibly those of type SURF. You can load STL ascii files generates by AutoCAD for solids. RCAD 2.0 core provides OpenGL real-time orbit, pan, zoom, shading and lighting.