Bridges 2026 Exhibition of Mathematical Art, Craft, and Design
Doug Dunham, Lisa M. Shier
Artists
Doug Dunham
Professor Emeritus of Computer Science
Dept. of Computer Science, University of Minnesota Duluth
Duluth, Minnesota, USA
Lisa M. Shier
Adjunct Professor
University of Maryland Global Campus
New Market, Alabama, USA
Statement
Our goal is to create artworks that have interpretations in hyperbolic geometry, the Poincare disk model of the hyperbolic plane in particular. We have obtained inspiration from the Dutch graphic artist M.C. Escher, among others. One of the machines we used to realize our artworks is a computer-controlled paper cutter/plotter/scorer. The latter machine has a single pen that can be used to draw designs on pieces of paper before cutting. The paper we use comes in a variety of vivid colors, which adds to the aesthetics of our artworks. In addition to paper, there are sheets of foam that can be cut by the cutter and applied to the back of a previously cut piece of paper of the same shape in order to raise it above the background.
Artworks

A Papercrafted 2.5D Angels and Devils Artwork
61.0 x 61.0 x 2.0 cm
paper, backing foam
2025