Goose Posted November 21, 2021 Report Share Posted November 21, 2021 Hello! Im both new to this site and the wheel pottery community so bear with my rambling, sorry! Ive been making some tester pots and little cups/tumblers for fun to give myself a shot at wheel throwing [I’m more a miniature sculpture kind of artist] and everything seemed ok after the glaze firing for a couple of my pieces but a week later [today] I noticed a ton of cracks all over a tiny pot I under-glazed then glazed transparently and on a mini vase I made. Im not terribly upset by this, on the small pot the cracks kind of suit the piece but Im afraid the problem will persist with future pieces? im also new to this brand of premade glaze [botz stoneware] and have no idea what to do at this point. heres a photo of the smallest pot Link to comment Share on other sites More sharing options...
Bill Kielb Posted November 22, 2021 Report Share Posted November 22, 2021 That glaze does not fit that clay.you will need to find compatible products where the coefficient of expansion of each are a better match. The lines you see are often referred to as a defect for functional ware known as crazing. Link to comment Share on other sites More sharing options...
Chilly Posted November 22, 2021 Report Share Posted November 22, 2021 It could also be a factor of scale. Tiny amount of clay vs huge amount of glaze. If you are planning to make larger items, test on a larger piece. If staying tiny, find another glaze. Link to comment Share on other sites More sharing options...
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