Sculpey Mold Maker 8 oz low cost mold making material. Requires a release when working with metal clay
The most inexpensive and easy to use mold material on the planet. Impress your design or master and bake in your home oven and you've got a flexible mold that will last for years. 1/2 pound block will make dozens of molds. Use CoolSlip as a release to keep clay from sticking. Affordable mold compound makes dozens of molds. Full half pound.