Prototype Casting specializes in the rapid manufacture of aluminum, magnesium and zinc castings to test form, fit, and function product development. Prototype Casting has been helping clients save time and money with their castings requirements in as little as 2 days, using rubber plaster molding or precision sand casting process for the past eleven years. Prototype Casting has 6 CNC machines on site to facilitate machining non-castable features into each part’s design or machining prototype parts from billet.