... ,POM,PA,ABS 2) Rubber,silicone, Nylon3) Aluminum, copper, zinc,Brass, stainless steel,sheet metalFunctions of prototype(1) ... large-size sheet metal components4) Lathe for standoff, pin and shaft parts5) Die-casting for small batches*Stereo lithography Prototype, SLA ... of prototype or end-use parts6)Stereo lithography investment casting patterns allow rapid production of metal prototypes7)Rapid ...