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Create a model of the sculpture in clay or wax.
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Make a mold of rubber, silicone, or plaster.
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Remove the mold and pour hot wax into the mold.
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Allow the wax to cool and remove it from the mold.
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Chase (repair blemishes on) the wax and sign, attach a cup and sprues (channels needed for steps 7 and 8).
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Invest the wax (coat with a ceramic/silica material).
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Burn-out (heat the sculpture in a kiln) the wax, melting wax will run out of the channels leaving a cavity. Inspect and repair the investment if necessary.
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Pour molten bronze into the cup and fill the cavity.
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Break the investment material from the bronze sculpture
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Chase the bronze sculpture and drill hole(s) in preparation for mounting on a base.
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Apply patina (chemicals to create color changes), wax and polish.
Mount on its base.