Cyndi Lavin, 2017
Electricity, magnetism, and circuits are part of every basic physics book. And while I was never particularly interested in the sciencey part of it myself, there were some pretty cool diagrams in my dear husband's text book. The design looked even cooler (to me) when I stood it on its head...
A tutorial for the basic techniques is at the link.
Copyright 2018 Cyndi Lavin. All rights reserved. Not to be reprinted, resold, or redistributed for profit. The tutorial only may be printed out for personal use or distributed electronically provided that entire file, including this notice, remains intact.