Sugihara Ambiguous Cylinder (Heart/Circle)

George Mason University Math 401: Mathematics Through 3D Printing
David Aronson
October 11, 2023
Prof. Sander

This is an optical illusion which is meant to be a heart on one side of a mirror, and a circle on the other. This is based on the work of Japanese mathematician Kokichi Sugihara.

The hardest part in terms of programming was choosing the functions. The top half of the heart was initially drawn with two different parametric curves, but then it became too difficult to pair the 3 functions for the heart with two functions for the circle. So the top half of the heart had to be parametrized in one function.

This file should be printed at 200+ degrees C, and does not need supports. It takes about 2.5 hours.