All words and pictures Andy Bergholtz. First, I warm up the Castilene in a microwave and work it in my hands like clay, applying the warm Castilene to the sculpture (Fig. 1) After I achieve the basic form using just my fingers, I'll then heat my sculpting tool and smooth the surface (Fig. 2, Fig. 3) I will continue to heat the tool during this process every few seconds, holding the tool very briefly over the flame. I will continue to refine the surface with this tool until I get a basic flow…