Lay out, machine, fit, and assemble castings and parts to metal or plastic foundry patterns, core boxes, or match plates.

Other names for Patternmakers, Metal and Plastic: Boilermaker Loftsman, Chart Writer, Computer Numerical Control Operator (CNC Operator), Computer Numerical Control Programmer (CNC Programmer), Developer, Die Cast Die Maker, Extrusion Die Template Maker, Fixture Builder, Journeyman Patternmaker, Loftsman, Machinist, Metal Bench Patternmaker, Metal Mold Maker, Metal Pattern Maker, Metal Patternmaker Apprentice, Model Maker, Mold / Die Repairer, Mold Maker, Pattern Chart Writer, Pattern Checker, Pattern Cutter, Pattern Developer, Pattern Fitter, Pattern Maker, Pattern Mechanic, Pattern Repair Person, Pattern Scratcher, Pattern Shop Worker, Pattern Worker, Patternmaker, Plaster Patternmaker, Plastic Patternmaker, Plastics Patternmaker, Sample Patternmaker, Acoustical Tile Patternmaker, All-Around Patternmaker, Stencil Cutter, Stencil Maker, Template Maker, Tool and Die Maker, Tool Maker, Tooler,

• Lay out and draw or scribe patterns onto material, using compasses, protractors, rulers, scribes, or other instruments.
• Clean and finish patterns or templates, using emery cloths, files, scrapers, and power grinders.
• Construct platforms, fixtures, and jigs for holding and placing patterns.
• Mark identification numbers or symbols onto patterns or templates.
• Select pattern materials such as wood, resin, and fiberglass.
• Apply plastic-impregnated fabrics or coats of sealing wax or lacquer to patterns that will be used to produce plastic.
• Paint or lacquer patterns.
• Set up and operate machine tools, such as milling machines, lathes, drill presses, and grinders, in order to machine castings or patterns.
• Read and interpret blueprints or drawings of parts to be cast or patterns to be made; then compute dimensions and plan operational sequences.
• Verify conformance of patterns or template dimensions to specifications, using measuring instruments such as calipers, scales, and micrometers.
• Program computerized numerical control machine tools.
• Design and create templates, patterns, or coreboxes according to work orders, sample parts, or mockups.
• Assemble pattern sections, using hand tools, bolts, screws, rivets, glue, and/or welding equipment.
• Repair and rework templates and patterns.