... must be in a specific plastic or metal production material. Rapid Prototype Machining OptionalsPreferred FormatsUnigraphics, Catia, Pro/E, Solidworks, Auto CAD, CAM ... , *.mcc, *.cdrSurfaceTreatmentsPaint, polish, electroplat, water-plated,vacuumplating,silk-print, wiredrawing,transparent surface, translucent surface, rubber oil.Machining MaterialsABS, Polycarbonate (PC), polypropylene ...