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Retaining pin used in the cire perdue or lost-wax technique of casting hollow sculpture. The pins are driven through the wax into the core. When the wax is heated and poured away the chaplets ensure the core stays in position. The chaplets remain when metal is poured into the void between the mould and the core and are still in the metal cast once it has cooled and solidified. Depending on their compatibility with, and the thickness of, the sculpture they have helped to form, they subsequently either fall out or are smoothed down to the surface of the surrounding metal.

Subjects: Art.

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