=20 > Plaster is an excellent mold material. I think this should turn out > better than expected. I'm guessing you'd need to let it cure properly so the hot metal doesn't heat any remaining free water and crack the mold --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .