... custom molds for plastic injection using AutoCAD software, including SolidWorks, UG , and pro/E. We focus on close tolerance ... toothbrushes or small plastic toys. Many medical devices, including valves and syringes, are manufactured using injection molding as well. ... low friction, almost opaque to clear, very high cost Air filters, eyeglass frames, safety masks Polycarbonate PC Calibre, Lexan, ...