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Interesting stuff! I make chocolate moulds out of 3D printed shapes and I’ve been struggling with solidifying the molten chocolate. After reading a bit, it seems like I’m ruining the crystalline structure of the material by overheating it. Funny how it sounds like metallurgy but is just chocolate :)

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Yeah temperature and tempering is the key - some even use sous vide set ups for it.

The best tip I've found is using plastic bowls - because they don't retain heat like ceramic and metal bowls do, making it "easier" to control temperature

Yes, putting a plastic bowl into boiling water to melt chocolate is a common technique.

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