Silicone Mold Making Tutorial: 73-20 poured blanket mold

In this tutorial we show how to make a poured blanket mold using 73-20 PlatSil silicone. This mold making method goes by several names and is sometimes referred to as a “Matrix mold” or “Cavity Pour Mold.” This is a great method for molding large parts that might be impractical using a traditional block mold approach.

73-20 silicone is available here: https://www.brickintheyard.com/collections/kits/products/7320moldcastkit

Thanks again to the Polytek crew for all of their help on this video!