An Unkindness of Ravens

Pen & Ink, 2010

Turtle Labyrinth

Pen & Ink, 2010. This labyrinth pattern is constructed on private property in Arroyo Grande, California; the actual labyrinth is 102 feet in diameter.

Figure

Toot Your Own Horn

Watercolor

Turtle

Lino Block Print

Dragon Tessellation

This image is a tessellation based on the Poincare model of the hyperbolic plane, and illustrates mathematical principles of hyperbolic geometry.