Natural geometry

Chilly hound walk but Murray saw canine pals Ben - labrador, Gizmo - staffie+labrador+dogue de bordeaux and Jake - collie cross. 
Started drawing this afternoon but light fading a little later than usual, hurrah!  Will complete tomorrow.
Re-reading Brave New World for book group.  Last read at least 40 years ago when I enjoyed it and had a sense it was exciting and somewhat prophetic.  Reading again its giving me veritable chills at Huxley's ideas. 
Blip - hawthorn hedge in winter. I can see triangles and quadrilaterals in the twiggy tangle.