His name is Gearomy, and he is a great educational toy, for anyone new to gears!
Every 2 turns of the largest one is 3 turns of the middle, and every 3 turns of the middle gear is equal to 6 turns of the largest gear.
3:1 Gear Ratio
I recommend using a print stop just as the buttons and neat bowtie are being printed
You may also have to select “split to objects” in Prusa slicer
The author marked this model as their own original creation.