A professional who fabricates precision plastic checking fixtures used to determine accuracy of stamped metal parts. Respnsibilities include:

• Casts plastic reproduction from model of part.
• Lays out reference lines on cast as guides in assembling, fitting, and trimming operations, using height gauges, surface plates, squares, protractors, and other measuring instruments.
• Cuts and trims casts following reference lines, using files, saws, planes, and other handtools.
• Assembles casts with glue, bolts, and other fasteners.
• Fits and fastens metal inserts into fixture at specified points to increase strength or accuracy.
• Verifies dimensions of completed fixture for conformance to specifications, using templates and measuring instruments.
• May fabricate metal inserts used in fixture, using powered saws, powered grinder, and files.