Hello, My name is Patrick Diggins and I am the General manager at Zero Porosity Casting. We specialize in Cad Cam, 3D Printing, and Casting in precious metals. We are 3D printing Resin specialists, when it comes to casting, we direct cast photo-polymers and do not mold, inject and cast like so many other casters. For more info please email Info@ZPCasting.com