Found an old Spirograph and used it to make a hummingbird

It's a game from the 70's, you have circles that look like hollowed out gears, and smaller ones who have a hole in the middle for the tip of a pen. You put the pen in the hole and follow the edge of the big gear with the smaller one, it ends up making beautiful geometric patterns. And there are different forms of gears too so you get different designs. My explanation kinda sucks, I suggest you look up a pic online.

Ahhhhh I know what you are talking about, but never knew the name. Thanks!