How to Make a 2 Piece Silicone Rubber Mold | Mold Making 101

For fully three-dimensional pieces like this one, a two-part mold is the best way to capture detail and get clean, accurate castings. In this video, we'll show you how to make a two-part silicone mold using Mold Star 16 FAST and cast a realistic metal finish using Smooth-Cast 325. You’ll learn: ✅ How to build a clean clay bed and define the seam line ✅ How to create and place registration keys for proper alignment ✅ Key considerations when building and aligning a two-part mold ✅ Best practices for mixing, pouring, and releasing silicone mold halves ✅ How to cast with metal powder for a realistic cold-cast finish Whether you’re new to mold making or expanding your skills, this guide will help you create precise two-part molds and high-quality castings. 00:00 Intro 00:48 Preparation 03:02 First Half of the Mold 04:24 Second Half of the Mold 05:41 Demolding the Model 05:59 Casting 07:27 Finishing Adult Supervision Required Keep Out Of Reach Of Children --- Make It Now! with Smooth-On https://www.smooth-on.com   / smoothon     / smoothon     / smoothon