How to Cast Aluminium With Plaster Molds | Our Pastimes
Apr 12, 2017· Carve or sculpt the wax into the shape you want to cast in aluminum. The process used for casting aluminum with plaster molds is called lost wax casting. In this process, a model of the desired object is made of wax and coated in plaster. After the plaster has dried, the wax is melted out of the mold and replaced with aluminum.