Squirrel. Continuous line with alternate shading. Mick Burton, 1970. ← Previous Next → Squirrel, or Squiggle single continuous line drawing. I used a squiggly line to show the effect of the fur and used copper alternate shading. Mick Burton, 1970 I lived in Ingleby Arncliffe, a North Yorkshire village when I was 4 and remember seeing a Red Squirrel on the garden wall.