Tec­tonic pot

The Shed - - Pottery making -

Ev­ery year Re­nate em­barks on an ex­per­i­men­tal project. Last year’s was tec­tonic bowls. To cre­ate the colour­ful cracked sur­face, Re­nate first pulls up a cylin­dri­cal shape then cov­ers it with black slip. Once this is dry, she coats the out­side with a chem­i­cal that pre­vents the clay from stretch­ing. “From then on, you can only work from the in­side, push­ing the clay out a bit at a time.” The pres­sure cre­ates cracks on the out­side sur­face, which she fills with coloured ce­ramic stain. “Some­times it works and some­times it doesn’t. If you aren’t care­ful, it just rips open.” Re­nate coats the out­side with wax to pre­serve the ef­fect be­fore glaz­ing in­side the pot.

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