Now, one of the things that was the least stressful for me, stone molds. The basics of making a mold (no undercuts, mold line, the dreaded clay wall…) are covered in the fiberglass mold tutorial, so check that out first, I’m just sticking to what makes a good stone mold in this.
As with the fiberglass molds, make sure there is a key in the stone part of the mold, to help line up the mold with the inner piece when you’re casting. Put a layer of clay covered with saran wrap under your sculpture so that the details aren’t ruined by laying on the table, and make sure to mark out your mold line with a sharpie. Continue reading