Main program is 3d Max 2015. You can use your exterior projects.
There are 4 available another file formats.
3DS, OBJ, FBX and DXF.
Draw By S40
Thank you.
MAX (Autodesk 3ds Max, filesize: 11.3 MB), OBJ (OBJ, filesize: 12.3 MB), FBX (Autodesk FBX, filesize: 6.75 MB), 3DS (3D Studio, filesize: 5.6 MB)