The Rubik's Cube has long been a staple in geek culture—but if you've already learned how to solve it, here's a way to make a new puzzle by doing some DIY modifications on the one you already have.

Earlier this year, while putting together a video about the world’s fastest solvers of the Rubik’s Cube, I decided to devote some time to learning to solve the classic puzzle myself. Tyson Mao ...