Rectangle Hump Mold
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SKU:
CP-HDM-1
7" L x 5 3/8" W x 1 7/8" H. Young beginning artists and professional clay crafters alike can use clay slabs with plaster forms with fantastic results. More details... |
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Rectangle Hump Mold
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Product Details
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Plaster forms can be successfully used to create unique clay pieces. Because of the absorbent nature of plaster, clay can be depressed into highly detailed sprig molds and lifted from the mold without sticking. Details can successfully be transferred from plaster to clay. Convex plaster forms are known as "hump molds" while concave plaster forms are known as "slump molds". To select between a hump and a slump mold of the same shape, the artist must decide whether access to the inside surface (available with a slump) or the outside surface (available with a hump) is most important. Hump molds give the advantage of adding feet and handles to the outer surface of the piece. One must be sure to remove drying clay from a hump mold precisely at the leather-hard stage due to potential cracks from shrinkage strain. Slump molds allow the clay piece to dry with a limited risk of cracking because the clay is able to shrink away from the plaster wall. Young beginning artists and professional clay crafters alike can use clay slabs with plaster forms and plaster tools with fantastic results
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