Introducing the "Gear Ring"
I produced it with 3D Printer. I scaled it to my own finger measurement.

Print Parameters

Layer height: 0.12mm
Speed: 20 mm/sec,
Infill: 100% (I chose this way because the walls are very thin)
Slicer: Prusa Slicer,
3D Printer: Creality CR 6 SE Max

NOTE:I wasn't able to fully clean the parts as I did it in a short interval (on my lunch break).

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