2019 Joint Mathematics Meetings

Elisabetta Matsumoto and Henry Segerman


Elisabetta Matsumoto and Henry Segerman

Assistant Professor of Physics; Associate Professor of Mathematics

School of Physics, Georgia Institute of Technology; Department of Mathematics, Oklahoma State University

Atlanta, GA; Stillwater, OK





Elisabetta Matsumoto is an Assistant Professor in the School of Physics at the Georgia Institute of Technology. She is passionate about using textiles, 3D printing and virtual reality to teach geometry and topology to the public. Henry Segerman is an associate professor in the Department of Mathematics at Oklahoma State University. His interests include 3D printing, virtual reality, and spherical video.


Image for entry 'Five axis racks'

Five axis racks

16 x 18 x 18 cm

3D printed nylon plastic


Five racks, each with two beams, slide through each other in this one degree-of-freedom mechanism. In Thurston-Conway orbifold notation, this has symmetry type 5x. Thanks to John and Jane Kosticks for telling us about the geometry this is based on.