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Showing results for tags 'moldmaking'.
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Hey pot heads, Does anyone have any experience/advice about using polymer clay for partitioning and sealing when making multi-part plaster molds? I've seen both "oil clay" and just earthware used for the same thing, I just have a bunch of polymer clay on hand and wondered if I could use it instead. Thanks in advance!
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Hello! I made a slip cast mold, 2 parts, just halves with pottery plaster 1. And waited 1 week after making the mold to try my first cast. I'm in the Pacific Northwest so it's damp and still a little chilly for context. I poured my clay in on Wednesday and it's Friday and still pretty wet. The mold itself I thought was dry but maybe it wasn't? I bought my casting slip and mixed it well. So I'm not sure what I've done wrong. Any tips or tricks or advice?? Thanks!
