True devotees of The Cube have long abandoned the classic Rubik's brand puzzle for faster, sleeker (and more expensive) 'speed cubes' that can twist at the high rates that racers demand. Alternatively ...

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.