DIY Moldable Silicone Clay

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July 19, 2017

DIY Moldable Silicone Clay - refrigerator pen holder and repaired charging cordMoldable silicone clay is an absolute game changer for DIY types and craft fanatics. It's basically a putty you mold into any shape, let dry, and it stays put, but is 100% flexible. I used to spend about $20 for a tiny pack of the leading brand of silicone clay called Sugru, but now I make my own with two ingredients.


This silicone clay is great for repairing bad wires, fixing broken glasses, making bumpers for your electronic devices, and so much more. In this page, I repaired my frayed iPhone charger and made a pen grip for my refrigerator.

Total Time: 15 minutes


  • silicone caulk
  • corn starch
  • caulking gun
  • mixing cup
  • stick for mixing
DIY Moldable Silicone Clay - supplies


  1. Put the tube of caulk in the caulking gun.
  2. DIY Moldable Silicone Clay - put the tube of caulking into the gun
  3. In the mixing cup, squeeze in one part caulk to one part corn starch. Doing equal amounts gives you about 5 minutes of pliable time before it begins to set. If you want it to set faster, add more corn starch.
  4. DIY Moldable Silicone Clay - add equal amounts of caulk and corn starch to cup
    DIY Moldable Silicone Clay - adding corn starch

  5. Keep mixing the two ingredients thoroughly. It will start looking like cake frosting.
  6. DIY Moldable Silicone Clay - mix with stick
  7. Keep mixing. When it starts holding shape nicely on its own, its ready to mold into your useful shapes.
  8. DIY Moldable Silicone Clay - keep mixing until it holds its shape nicely then it is ready to mold
  9. Squeeze onto whatever you are repairing or creating. Let sit for 10 to 20 minutes to set up.

    (I live in warm California and that's how long it takes for mine. It could possibly take longer in cooler temperatures or if you use a slower set method with less corn starch.)
  10. DIY Moldable Silicone Clay - squeeze on to place you are repairing and allow to sit for 20 - 30 minutes to set up

  11. Your item is ready to use and totally flexible.
  12. DIY Moldable Silicone Clay - charging cord ready to use and flexible
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