A patternmaker may not be skilled at design but can create or alter patterns to achieve a perfect fit.
From the orlandosentinel.com
My mom was a patternmaker and seamstress for a top-of-the-line clothier before her marriage to my dad.
From the sltrib.com
It wasn't until a patternmaker in his office suggested he use his name on the label that Tahari the brand was born.
From the time.com
The patternmaker or foundry engineer decides where the sprues, gating systems, and risers are placed with respect to the pattern.
From the en.wikipedia.org
She went to Dallas after graduating and worked as a patternmaker and designer for several manufacturers who sold to such retailers as J.C. Penney.
From the denverpost.com
Even so, a patternmaker tasked with upsizing a dress pattern from a size 6 to a size 16 or 26 has little choice but to go by the averages.
From the stltoday.com
This position will assist in the styling of garments at photo sessions and attend fittings with the patternmaker to assure accurate sizing and fit of product.
From the jobview.monster.com
Also, there are titles that are related but actually are a further development of machinist skills such as tool and die maker, tool maker, trim die maker, die sinker, patternmaker and mold maker.
From the en.wikipedia.org
More examples
Someone who makes patterns (as for sewing or carpentry or metalworking)
In casting, a pattern is a replica of the object to be cast, used to prepare the cavity into which molten material will be poured during the casting process.
A craftsman engaged in production of foundry patterns from wood, plastic, or metals, such as aluminum, brass, etc.