Trying to fill bubble holes

Published June 15, 2018, 9:43 a.m.

One plaque in particular had a lot of these air bubbles. As you can see they appear along, what seems like, fracture stress lines. Enamelling steel is not easy!

Trying to fill bubble holes

This photo is found in the following galleries:

Trivet marks Making elliptical enamel plaques Surface quality test