Ok, So I had a friend who asked me to design a plug for her as a joke.
So I instead made a mold that she could freeze water in, but I figure it would also
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work with silicone if you were so inclined.
Has alignment notches, and I figure a few rubber bands around it to keep it sealed while the silicone cures should work fine. Since it's split in two its technically re-usable.
One thing is you will need to either print as finely as your printer will go...thinking 0.05 etc, because you don't really want small lines on the finished product for health reasons.
I haven't printed it...
