The three crosses from the crucifixion scene as exploded tesseracts, 4th dimensional cubes, or hypercubes.
A strawberry photographed in 1993 using high contrast BW film.
A pen and ink rendering of Yoda.
Something educational to replace that stick family on your back window.
A little physics humor.
A pen and ink rendering of a chipmunk from Bryce Canyon National Park in 1993.