If you make minis scenery or similar, some notes that might be useful to you:
So I have a couple molds here that are filled with a dry mix that's (by volume):
6 Plaster of Paris
3 Portland Cement
1 Sisal Fibre (burlap, post coffee-grunder).
And a wet mix that's:
1 PVA glue (white glue)
+ An eyedropper of ink.
With the total wet:dry at 3:4.
It's looking like a promising formula!
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