Painting enamel, art of nature, and soil and fire. In order to produce this product, the design of the enamel artist is first to work on the copper metal, then the copper plate is cut in the desired shape, with a pen and a hammer and later. After forming the form, the copper substrate is acidified and coated with white enamel and this layer is heated in a furnace at 800 ° C and fixed on copper.