Here are some pics of lamp shades that are made from porcelain with a wash out technique before bisc fire. The blue is a diluted solution of cobalt sulphate . They have a cone 6 satin glaze on them.



Ceramic art and techniques.
Here are some pics of lamp shades that are made from porcelain with a wash out technique before bisc fire. The blue is a diluted solution of cobalt sulphate . They have a cone 6 satin glaze on them.