Supported import file types (alphabetical)
3D Studio (.3ds)   |   Supports Color, Texture, and Environment.
ACIS (.sat)   |   Supports Color.
AutoCAD DXF 3D & 2D (.dxf)   |   Supports Color.
AutoCAD DWG 2D (.dwg)   |   Supports Color.
Catia V4 (.model)   |   Supports Color.
HOOPS OOC (.ooc)
IGES (.igs .iges)   |   Supports Color.
IronCAD Part (.ics .ic3d)
IronCAD Configuration (.iccs)
Parasolid (.x_t .xmt_txt)   |   Supports Color.
Point Cloud (.pts .ptx .xyz)
Raw Triangles (.raw)
Romulus (.xmt)
SketchUp (.skp)
STEP AP203/214 (.stp .step)   |   Supports Color (214).
Stereolithography (.stl .sla)
TriModel (.tmd)
TrueSpace (.scn .cob)   |   Supports Color and Texture.
VRML (.wrl)   |   Supports Color, Texture, and Environment.
Wavefront OBJ (.obj)   |   Supports Color and Texture.

Additional supported types with Translator Pack:
Catia V5/V6 (.CatPart .CatProduct .cgr)
IFC (.ifc)
Inventor (.ipt .iam)
JT (.jt)
Pro/E (Creo) (.prt .asm)
Solid Edge (.par . asm .psm)
SolidWorks (.sldprt .sldasm .prt .asm)
UG/NX (.prt)