I recently made a plaster mold for a face sculpture (going to cast it in latex later). The sculpture is made out of monster clay and sculpted on a plaster lifecast covered in shellac.
But now the plaster is stuck. Like...it is holding on for everything it holds dear.
My regular supplier was out so I had to settle for regular craft plaster. I've used craft plaster before with no problems, but not this brand.
Does anyone have any ideas on how to get it off the sculpt? Preferably with the mold intact, or at least with the sculpt intact.