View Larger Image A mechanical pencil, ruler & digital calipers, all essential tools for medical & technical illustrator Joel C Boyer. See Joel’s Scrapbook. By Illustration Ltd.|January 22nd, 2014|Syndicated Content| Share This Story, Choose Your Platform! facebooktwitterlinkedinreddittumblrpinterestvkEmail About the Author: Illustration Ltd. Related Posts Cars In The Snow by Chris Labrooy. The latest cover of Popshot Quarterly as imagined by Neil Webb. Magnificent 7: Emerging Artists to Watch in 2021 A selection of illustrations created by artist Max Loeffler for… Chicken Feathers Now Available! covid holidays A recent story about Tourism in Lombary for La Repubblica… Illustration by Andrew Archer for Hitachi Kase.