A precision-made desk toy creates a stunning optical illusion as it spins. The motion seems impossible—appearing to reverse, float, or ripple like liquid. Relaxing, hypnotic, and mind-bending.

Stare at this trippy optical illusion for just half a minute, and you'll start to see things that aren't really there.

The goal was never to make a mushroom, but the shape certainly fooled everyone at first. With each pass of the tool, the ...