Make Your Own Silicone Molds

by Mark Montano in Workshop > Molds & Casting

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Make Your Own Silicone Molds

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Using simple supplies, you can make your own silicone molding putty.

Watch the Short Video Tutorial Here!

How to: Cornstarch Silicone Molds

You'll Need

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Cornstarch

100% Silicone

Baby oil

Americana Acrylic Paints

Mixing bowl

Objects to cast

2-part plastic or air dry clay

Make the Putty

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Squeeze out enough silicone to cover your object

Add in about 1/2 the amount of cornstarch

Add a small dab of Americana Acrylic Paint

Add in several drops of baby oil

Mix thoroughly with a small spoon or stick

*Cover your hands in cornstarch and knead

Make a Mold

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Roll the putty into a ball

Press in your item making sure it covers all the details

Let cure for about 20 minutes

Remove the object

Fill with 2 part plastics, Sculpey or air dry clay

A Few Items I Made

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