redneckmedic
Member
Alumilite foam
A cube mold with a pressure release vent and a suspended form inside. I think you might have to CA paint the pores so the PR or alumilite doesn't fill when casting. But its hard and expands 20x its size... $30 makes dozens of blank molds.
A cube mold with a pressure release vent and a suspended form inside. I think you might have to CA paint the pores so the PR or alumilite doesn't fill when casting. But its hard and expands 20x its size... $30 makes dozens of blank molds.
