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Showing results for tags 'positive/negative mold'.
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I searched old posts but couldn't find an answer to this. I used a couple of different sized elephant ear leaves to press texture into a slab, did some additional carving to get texture deep enough and cleaned up the edges. They have been sandwiched between drywall drying for weeks and are completely flat. If I bisque'd these right now I have great molds for future platters. What I want to do is roll a fresh slab over the bonedry slab so that I get both positive and negative molds that are the same size to bisque and that could be used to create texture on the front and back of a slab at the same time. I know that greenware is very fragile but since these are flat and supported fully by the drywall I think that will be less of an issue. But is the fresh clay slab going to stick to the bonedry slab? Should I put something like plastic over the bonedry? Or maybe dust with cornstarch? Clay is ^6 stoneware.