If you like mechanical things, you'll probably enjoy this. It’s a rugged little fidget that uses a gyro outer ring and internal gears for a heavy, mechanical feel. It's a solid, palm-sized print that comes out as a single piece with no supports. It’s actually a decent test for your printer’s tolerances too. I printed mine in PETG so it can survive being knocked around the shop, but it works just as well in PLA if you prefer the feel.