In this follow up tutorial for our Bride of BITY construction, we cover the Hydrocal mold process. This is a great, simple way to make a mold for casting silicone. Here's what we used:
White Modeling Clay: https://www.brickintheyard.com/collec...
Hydrocal: https://www.brickintheyard.com/collec...
Mold Wax: https://www.brickintheyard.com/collec...

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