could you use clay for a silicone mold?

[Merman Lir]

If you didn't need a durable re-usable mold, could you just pour silicone into a clay negative? assuming it was sulfur free clay, would it work?

[Mermaid Wesley]

Yep! Done it before.


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[Merman Lir]

any tips or tricks?

[Dancing Fish]

I've done it with plastilina and Sculpy. The only tip would be to pause and test often because it's really weird carving out a negative space! (I made a starfish that way and it took three tries to get it looking good.)

[Mermaid Wesley]

I used monster clay. I melted it, pressed in a toy starfish, and pulled it out, then let the clay cool and then silicone.


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