A professional who fits, assembles, and hand finishes castings and parts in making of metal foundry patterns, using handtools and analyzing specifications according to knowledge of pattern-making methods. Responsibilities include:

• Studies blueprint of part to be cast, computes dimensions, and plans sequence of operations.
• Dresses casting down to specified dimensions, using files, scrapers, powered hand grinders, and drill press.
• Assembles pattern, using handtools and bolts, screws, and other fasteners.
• Verifies conformance of pattern dimensions to specifications, using templates and measuring instruments, such as scale, calipers, and micrometer.
• May make templates for own use in inspecting finished surfaces.
• May operate welding equipment in assembling pattern.