How To Make Hollow Resin Castings Using Smooth-Cast 57D

This tutorial shows how you can make a hollow resin casting using the semi rigid urethane plastic - Smooth-Cast® 57D --- Make It Now! with Smooth-On / smoothon / smoothon / smoothon smoothon ~-~~-~~~-~~-~ Adult Supervision Required Keep Out Of Reach Of Children ~-~~-~~~-~~-~