This is the website for a popular mathematics book by Henry Segerman, a mathematician and mathematical artist. Most of the figures in the book are photos of 3D prints. On this website, readers can rotate figures around on screen (using, order the models (using, or download the models to print out for themselves (direct from this website, or using A zip file containing all of the 3D model files listed on this website is available below.

Download all 3D model files

Henry Segerman is an Associate Professor in the Department of Mathematics at Oklahoma State University. In addition to his research in three-dimensional geometry and topology, he is also a mathematical artist, working primarily in the medium of 3D printing, with other interests in virtual reality and spherical video. His website is

Author Photo