Rio Plaster Mold for Slip Casting Mug, 3-Piece Pottery Mold for Ceramic and Porcelain Clay, 7.4 oz Coffee Cup
REFSAN Rio three-piece plaster mold for slip casting a 7.4 oz coffee cup with a handle. From the same brand as the mold it replaces, for ceramic or porcelain slip.
Price range: See on Amazon
What we liked
- + Three-piece interlocking design holds the liquid clay and is described as pulling apart cleanly for demolding.
- + Makes a finished bisque coffee cup of 7.4 oz, 3.54 inches tall with a 2.75 inch rim, though some shrinkage is expected.
- + Listed lifespan is about 100 uses with gentle sponging and full air drying between pours.
Trade-offs
- - Only for liquid clay slip: the listing says not to use it with concrete, resin, extra plaster or stone powder.
- - Makes one cup shape at one small size, so it suits a mug line rather than varied forms.
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