patternmaker

plural patternmakers

1. Someone whose occupation is to make patterns, which are used as a guide in the manufacture of something else.
   1. A tradesperson who makes wooden patterns from which sand molds for sand casting are made.

      One soon learned, however, that it was no easy thing to make wood do exactly as one required it. It looked quite easy in the masterly hands of the experienced pattern-maker, but the mysteries of dowelling and mortice and tenon were not uncovered in a week or two.

      1944 November and December, A Former Pupil, “Some Memories of Crewe Works—II”, in Railway Magazine, page 341

   2. Someone who makes other kinds of patterns, such dress patterns.