I’ve done a lot of projects over the years, and I’m finally getting around to documenting some of them

Four Legged Walker

Walking Mechanism

A four-legged Theo Jansen “Strandbeest” walking mechanism.


Color Science Projects

A set of topics relating to color science and colorimetry.

Sphereland Creatures

Vision in Curved Space

A study of how visual perception would change if we lived in a relatively small spherical universe.

Side View

Segway-Style Balancer

A low-cost, simple Segway-style self balancing device made from off-the-shelf parts.

3D Shadowlamp

3D Shadowlamp

A device that casts 3D shadows.



Work I created after retirement while being a nondegree undergraduate ‘senior’ in the College of Fine and Applied Arts at the University of Illinois, 2010-2013.

UPS Time Exposures

UPS Time Exposures

A project I did with my wife’s K-1 class at University Primary School, Feb 2012.

Image 78

Monomial Method

A numerical method for solving nonlinear equations, and the graphical investigations leading to my Design by Algorithm work.



A device that charges in the sun all day and blinks all night.


Design by Algorithm

Jumps to my Design by Algorithm website. I exhibited math-based artwork at weekend art fairs throughout the Midwest for 25 years (1990-2015).