Second part of moldmaking was getting into object casting, dealing with releases for different materials, how to make various rubber molds, from injection to zipper cut to simple glove molds, and brush molds with added colorants and polyfiber for strength.  We had to do two materials of one object, a waste mold (not shown, but it’s a clay sculpture that gets a plaster mold – mine was 4 pieces – and then the clay is broken/washed out and the mold is used for another material), and 15 casts from a rubber mold of an object. Continue reading →