Martha Banyas has been a driving force in the enamel world for nearly 50 years. I am very proud to have been a part of documenting her ground breaking techniques in this workshop series. This link is for the first of a series of three and is the free prerequisite to the other two. merryleerae.thinkific.com/courses/the-perfect-surface-martha-banyas
Sunshine enamels are an overglaze meaning they are vitreous. The Underglazes that Martha is referring to are not vitreous which is what makes them underglazes.
