... parts CNC machiningPreferred Formats:Pro/E, Solidworks, Unigraphics, Catia, Auto CAD, *.igs, *.stp, *.stl, *.x-tSurface treatments:Paint, polish, ... the heart of ProtoCAM's rapid prototyping service, turning 3D CAD file into a solid object. Stereo lithography prototypes can ... Laser Sintering (SLS) is a process which creates 3D SLS prototypes by fusing or sintering powdered thermoplastic materials or ...