RCAD is a useful application which can convert VDAFS file to DXF file (in 3DFACE entities) and display the result. You can divide a piece in two parts through a horizontal separation plane.RCAD core provides OpenGL real-time orbit, pan, zoom, shading and lighting. 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.A handy VDAFS to DXF converter
