by Craftbits (Shellie Wilson)
What you need
Gap Filler / Silicone (Found in hardware store)
Item to create mold
For this mold you only need 2 ingredients. Gap filler or silicone (from the hardware store) and corn flour.
These DIY molds are quick to make and can be used for casting jewelry and poly clay shapes.
We used a shell to create our mold.
Start by mixing the two ingredients together. You need the paste to be the consistency of a dough. It shouldn’t stick to your fingers and should come together. Once you are able to roll it into a ball it is the right consistency.
Shape your ball into a rectangle or square a 1/2 inch thick (depending on the depth of the item you are casting)
Then simply push your casting item (shell) into the dough. If you are not happy with the impressions just roll it back into a ball and start again.
It will take 2-3 days, depending on the weather to dry.
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