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						Read .prt .prt.* .xpr .asm .asm.* .xas files from Pro/ENGINEER design, calculation and manufacturing software, now PTC Creo.
Write CAD files .obj (Wavefront 3D Object File). 
The OBJ (.obj) is a simple data-format that represents 3D geometry alone. It is an open, universally recognised format, originally developed by Wavefront Technologies.