It's challenging because the plexi is not fixed. I'm balancing it on a stool stacked with odds and ends to get to the correct height. Holding it as still as possible, I trace through it, it's hard and there's decisions to be made. I try to keep it general and loose. It's over if you get too tight.
Scott's Follis - Scribble Drawings 10
Sharpie on plexi, 10 x 8"