This is how you remove the plaster mold from the metal inside without damaging the piece inside.
You need to wait 10 minutes for the metal to cool.
The colour of the metal should go from red to a dull grey.
It will still be super super hot! - do not touch!
Then you need to dunk it in water, whilst moving it from side to side - but be careful not to let your work slip out.
Such a good sound! Watch out for the stream!
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