Lost-wax casting is an ancient method the ancient Africans used for making intricate metal statues and other metal decorations. What they would do is carve out a lump of of wax exactly as if they were carving the actual statue. They then cover the wax with clay, leaving a hole at the top of the clay. When the clay is dry, they put on a few more layers of clay. When that is dry, they hold it (with tongs, of course) upside-down over the fire so the wax melts and runs out the hole in the top (the wax had left an impression in the clay) they then pour molten metal in the hole in the top of the clay. When the metal has cooled and hardened, they break away the clay leaving the metal perfectly imprinted in the impression left by the wax. After a final polish, it is ready to be placed in the Grand Oba’s palace!
I am planning to do the same, but I need some Plaster of Paris (as the clay) and a few other things; if I am successfull*, I will post all about it.
*notice I said if I am successfull.