Monthly Tech-Tip | No tracking! No ads! |
"Émail ombrant" (French for “enamel shadow”) is a pottery-decorating technique developed in France in the 1840s (at the Rubelles factory by Baron A. du Tremblay). Designs were etched or stamped into the pottery and a transparent colored glaze, in this case green, was applied thickly enough to re-level the surface. The varying depths produce colour highlighting. The design appears shadowy, hence the name. Stephanie calls these plates “Girls on the March”, they were inspired by parents who supported their girls with dynamic signage at the Boston of “Women on the March” rally in 2017.
Stephanie decorated this porcelain plate using Amaco Velvet underglazes on both unfired porcelain and touched up on bisque (left image). She over-painted Amaco HF-9 Zinc-Free Clear (at least 3 coats in the center to make it pool into the recessed parts of the image, so it is flat to the touch like émail ombrants technique). The plate rim is a shallow bas-relief so two coats of clear were sufficient there. She fired it to cone 6 (right).
Made using porcelain fired to cone 11+. This is a splendid demonstration of translucency. Without a back-light it is just a white slab. But the varying thickness in the porcelain determine the amount of light that passes at any given spot, thus producing the design. An example of a recipe to produce a porcelain like this is L3778D.
"Émail ombrant" (French for “enamel shadow”) is a pottery-decorating technique developed in France in the 1840s (at the Rubelles factory by Baron A. du Tremblay). Designs were etched or stamped into the pottery and a transparent colored glaze applied thickly enough to re-level the surface. The varying depths produced colour highlighting.
URLs |
http://stephanieosser.com/
StephanieOsser.com |
---|---|
Glossary |
Glaze thickness
Many ceramic glaze benefits and issues are closely related to the thickness with which the glaze is applied. Many glazes are very sensitive to thickness, so control is needed. |
Buy me a coffee and we can talk