Replacement for Forerunner 235 strap ring.
Works better than original, as it's tighter with smaller bow curve.

Print settings:
- filament: TPU 20D/40D Shore
- line width: 0.42 mm
- layer height: 0.2 mm
- print speed: < 20 mm/s

Check out my other designs:
https://www.thingiverse.com/DaVinci2000/designs