$ $ $ $ $
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25 mins

Make your own silicone molds with easy to find supplies!
No need to buy expensive silicone molding putty! Now you can make your own.

Posted by Mark Montano Published See Mark Montano's 279 projects »
  • How to make a molds. Make Your Own Silicone Molds - Step 1
    Step 1

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

  • How to make a molds. Make Your Own Silicone Molds - Step 2
    Step 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

  • Step 3

    Watch the short video tutorial here:

  • How to make a molds. Make Your Own Silicone Molds - Step 4
    Step 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

Made this project? Share your version »


Rellijac J.
Rellijac J. · 26 projects
Thanks for a great tutorial. I would recommend putting some cornstarch in the bowl and then the silicone, and continue by layering the ingredients for an easy mixing. Good Luck.
Raquel S.
Raquel S. · Brasília, Federal District, BR
Denise P.
Denise P. · Wolverhampton, England, GB
Hi is the paint just for colour
Bijoux W.
Bijoux W.
I want to try this. Thanks for sharing. Where do I get this liquid plastic? Did not see link. Hope it is not expensive.
ALP's C.
ALP's C.
I believe that you can get it at the Home Depot.
Carol G.
Carol G.
What would make my mixture turn rubbery before I get through casting?
Kelly H.
Kelly H. · Bergenfield, New Jersey, US
I just wanted to know if the DYI silicone molds were any good to do resin casting. If anyone knows, please let me know. Thanks so much
Katerina Markopoulou M.
Katerina Markopoulou M. · Kalamata, Peloponnisos Dytiki Ellada ke Ionio, GR
Ola υπεροχα μπραβο σας πολυ ωραια σελιδα.
Brigit · Baltimore, Maryland, US · 2 projects
Can you use the silicone culk?
Erin O.
Erin O.
Thanks for sharing your project!!Geek
Creative Khadija
Creative Khadija · Islamabad, Islamabad Capital Territory, PK · 20 projects
Happy WOW
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