Spinner, Tai Chi, Yin-Yang, 阴阳图, 太极图

Spinner, Tai Chi, Yin-Yang, 阴阳图, 太极图: They All Spin ...

The spinner comes in three sizes and two styles. The size of each spinning yin-yang (taichi) disk is 30mm, 25mm, and 20mm, respectively, with either three or six arms. I have taken advantage of the features of 3D design for a fun and mathematically rich spinning toy. It can be printed in one piece at a resolution between 0.1m to 0.2mm.