A professional who constructs metal models of jewellery articles for use in making moulds for casting jewellery parts. Responsibilities include:

• Lays out design on metal stock, using gravers.
• Cuts metal along markings and smooths edges, using handsaw and file.
• Examines and measures metal parts for conformance to design specifications on scale drawing.
• Hammers, carves, and scrapes rough model to produce specified relief design, using handtools.
• Drills holes in model, using drill press.
• Assembles and solders parts together.
• Polishes metal surfaces, using abrasive wheel.
• May make and sharpen tools.
• May modify design specifications to conform to production requirements.
• May construct preliminary model of wax or wire.