Wristband for pillar 3D Print Model

Summary
I designed a simply wristband for the pillar of my stairs.
Inner diameter is 51,8 mm
Outer diameter is 61,8 mm
Hight is 10 mm
If you need one with other dimensions, let me know.
Print Settings
Printer:
Selfmade Core XY Rafts:
No Supports:
No Resolution:
0.1 Infill:
25%