These have been really fun. I draw them from images of 16th century Flemish mask designs and then I fill them up with all different patterns in Clip Studio Paint. They are for sale in my Etsy shop as an instant download.

These guys are for sale as an instant download on Etsy.

My first coloring book is up on Etsy. The pages are done in the style of old time-y scientific illustrations, with a double line border surrounding the drawing and the Latin name in a fun font.