7) | The model is then placed in the oven at 720 degrees Celsius until the wax and the humidity disappear. | | | 8) | Then, the hollow left by the wax is filled with fused bronze at 1250 degrees Celsius through holes made in the model before being placed in the oven. When the metal has cooled the mold is removed revealing the piece in bronze. Later the artist chisels the surface and reviews the sculpture, until all imperfections are eliminated. | | | 9) | Finally, a patina is applied (natural oxidation with acids and fire) until the desired sheen is obtained. | |