Illuminated Ping Pong Paddle

Illuminated pingpong paddle using 2x AAA batteries, a 3 position toggle switch, and 4x 5mm LED’s. The main body is…

November 8, 2019

Solid of Constant Width: Oloid

Being a solid of constant width the oloid counter-intuitively rolls like a cylinder. 4+ SHAREFacebookTwitter

November 8, 2019