Make Your Own Silicone Molds

Make your own silicone molds with easy to find supplies!

Posted by Mark Montano

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No need to buy expensive silicone molding putty! Now you can make your own.

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You Will Need (6 things)

  • Cornstarch
  • 100 % Silicone
  • Americana Acrylics
  • Baby Oil
  • Mixing Bowl
  • Objects to cast

Steps (4 steps, 25 minutes)

  1. 1

    Cornstarch
    100% Silicone
    Baby oil
    Americana Acrylic Paints
    Mixing bowl
    Objects to cast
    2-part plastic or air dry clay

  2. 2

    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

  3. 3

    Watch the short video tutorial here:

  4. 4

    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