Plan, lay out, and construct wooden unit or sectional patterns used in forming sand molds for castings.
<ul><li>Read blueprints, drawings, or written specifications to determine sizes and shapes of patterns and required machine setups.</li><li>Lay out patterns on wood stock and draw outlines of units, sectional patterns, or full-scale mock-ups of products, based on blueprint specifications and sketches, and using marking and measuring devices.</li><li>Verify dimensions of completed patterns, using templates, straightedges, calipers, or protractors.</li><li>Set up, operate, and adjust a variety of woodworking machines such as bandsaws and lathes to cut and shape sections, parts, and patterns, according to specifications.</li><li>Trim, smooth, and shape surfaces, and plane, shave, file, scrape, and sand models to attain specified shapes, using hand tools.</li><li>Fit, fasten, and assemble wood parts together to form patterns, models, or sections, using glue, nails, dowels, bolts, and screws.</li><li>Correct patterns to compensate for defects in castings.</li><li>Construct wooden models, templates, full scale mock-ups, jigs, or molds for shaping parts of products.</li><li>Compute dimensions, areas, volumes, and weights.</li><li>Mark identifying information such as colors or codes on patterns, parts, and templates to indicate assembly methods.</li><li>Finish completed products or models with shellac, lacquer, wax, or paint.</li><li>Glue fillets along interior angles of patterns.</li><li>Select lumber to be used for patterns.</li><li>Repair broken or damaged patterns.</li><li>Maintain pattern records for reference.</li><li>Inventory equipment and supplies, ordering parts and tools as necessary.</li></ul>