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Cost
$ $ $ $ $
Difficulty
• • • •
Time
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 278 projects »
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  • How to make a molds. Make Your Own Silicone Molds - Step 1
    Step 1

    Cornstarch
    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

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Comments

Carol G.
Carol G.
What would make my mixture turn rubbery before I get through casting?
Reply
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
Reply
Katerina Markopoulou M.
Katerina Markopoulou M. · Kalamata, Peloponnisos Dytiki Ellada ke Ionio, GR
Ola υπεροχα μπραβο σας πολυ ωραια σελιδα.
Happy
Reply
Brigit
Brigit · Baltimore, Maryland, US · 2 projects
Can you use the silicone culk?
Reply
Erin O.
Erin O.
Thanks for sharing your project!!Geek
Reply
Creative Khadija
Creative Khadija · Islamabad, Islamabad Capital Territory, PK · 20 projects
Happy WOW
Reply
Coryn D.
Coryn D.
Can these be used for soaps?
Reply
Jana N.
Jana N. · Kimberley, Northern Cape, ZA
Love this easy mold! Thx for sharing
Reply
matz D.
matz D.
can i use any kind of powder?
Mark Montano
Mark Montano · 356 projects
Hey Matz, Cornstarch is the best.
Reply
mountainlove
mountainlove · 9 projects
love it!
Reply
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