Owl

Material: Brass
Care: Wipe with a dry cloth
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There are two main processes to create artifacts; lost wax casting and sand casting.

Lost wax casting:
Solid casting and hollow casting. Solid casting does not use a clay core but instead a solid piece of wax to create the mould; hollow casting is the more traditional method and uses the clay core. The first task in the lost wax hollow casting process consists of developing a clay core which is roughly the shape of the final cast image. Next, the clay core is covered by a layer of wax composed of pure bee’s wax, resin from the tree Damara orientalis, and nut oil. The wax is then shaped and carved in all its finer details of design and decorations. It is then covered with layers of clay, which takes the negative form of the wax on the inside, thus becoming a mould for the metal that will be poured inside it.

Drain ducts are left for the wax, which melts away when the clay is cooked. The wax is then replaced by the molten metal, often using brass scrap as basic raw material. The liquid metal poured in hardens between the core and the inner surface of the mould. The metal fills the mould and takes the same shape as the wax. The outer layer of clay is then chipped off and the metal icon is polished and finished as desired.

Sand casting:
There are six steps in this process. Placing the pattern in sand to create a mold is the first step which is followed by incorporating the pattern and sand in a gating system. The next step is to remove the pattern and fill the mold cavity with molten metal. Then the metal is allowed the metal to cool.

Finally, we break away the sand mold and remove the casting.