A "master draftsman" refers to someone who is highly skilled and proficient at drawing or creating detailed plans or designs. They are considered to be an expert in their craft. Full definition
That was fine with Mr. Metcalf, who had come all the way from Middleburg, Va. to be reassured; and now, flanked by Designer Rhodes and Master Draftsman Joe Reinhardt, he moved close to the tank for the tests. (si.com)
A master draftsman, his works on paper — which range from preparatory studies to finished works, along with some pieces created for his own enjoyment — will be on view at this show. (artnews.com)
In Toyin Ojih Odutola, we see a master draftsman at work. (culturedmag.com)