Specialty Round Vermiculite Board Mold
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Specialty mold used in Nathan Sandberg's Complex Vitrigraph Murrine onine Video Class. Vermiculite mold is hand cut and drilled to create the exact projects in this video. Mold is 7" x 7" with a 5.25" center hole. It is suggested to pre-fire this mold to 500F for 30 minutes before the first use. A glass separator, such as fiber paper, is required each use.