More information from O*NET OnLine:

Patternmakers, Metal and Plastic - 51-4062.00

O*NET-SOC Description

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

51-0000	Production Occupations
51-4000	Metal Workers and Plastic Workers
51-4060	Model Makers and Patternmakers, Metal and Plastic
51-4062.00	Patternmakers, Metal and Plastic

51-2041.00	Structural Metal Fabricators and Fitters
51-4031.00	Cutting, Punching, and Press Machine Setters, Operators, and Tenders, Metal and Plastic
51-4061.00	Model Makers, Metal and Plastic
51-4111.00	Tool and Die Makers
51-4192.00	Layout Workers, Metal and Plastic
51-6092.00	Fabric and Apparel Patternmakers
51-7032.00	Patternmakers, Wood
51-9022.00	Grinding and Polishing Workers, Hand
51-9194.00	Etchers and Engravers
51-9195.00	Molders, Shapers, and Casters, Except Metal and Plastic

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

Apply protective or decorative finishes to workpieces or products.
Apply solutions to production equipment.
Calculate dimensions of workpieces, products, or equipment.
Clean workpieces or finished products.
Construct patterns, templates, or other work aids.
Design templates or patterns.
Draw guide lines or markings on materials or workpieces using patterns or other references.
Mark products, workpieces, or equipment with identifying information.
Measure dimensions of completed products or workpieces to verify conformance to specifications.
Operate grinding equipment.
Operate welding equipment.
Plan production or operational procedures or sequences.
Program equipment to perform production tasks.
Repair templates, patterns, or molds.
Review blueprints or other instructions to determine operational methods or sequences.
Select production input materials.
Smooth metal surfaces or edges.