prt

Bye to all, at work I need to open stl, iges and prt files, containing 3d scans, very heavy (average 500mb). Can you recommend a 3d freeware viewer that also allows measurements? I have no experience in this regard and I have no cad modeler available:( Moreover, not having a workstation, do...

Hello, everyone! turning on the internet I found many 3d models bookcases of furnishing accessories and more.. . I noticed that all files are in 3ds format (autocad creed) and pro-e can't import them. Can someone tell me what the roads I could take? are there converters from 3ds to .prt (or...