These are some examples of enamels that I have done, experimenting with techniques.
Top Left: Cloisonne
Top Center: Water color
Top Right: Scraffito
Bottom Left: Fold formed copper, with liquid enamel which I rubbed back to show the fold forming then covered with transparent enamel.
Bottom Center: Scraffito
Bottom Right: Domed, roll printed copper, with P3 under glaze. Transparent enamel over the top, fired to clear.