Key ring (multiple sizes)

Do you need a keyring but you forgot to buy one? No problem, just print it! There are 3 sizes:small = inner diameter 15mm (~ 0.6 inches)medium = inner diameter 20mm (~ 0.8 inches)large = inner diameter 25mm (~ 1 inch)Print SettingsMaterial: PLALayer height: 0.2 mmWall generator: ArachnePerimeters: 3Top layers: 3 layersBottom layers: 3 layersTop/Bottom Surface Pattern: ConcentricInfill: doesn't matter, it's just perimetersSupports: no Check out a key holder I made here.