Bicycle Stem Bottle Cap
thingiverse
This is a bottle cap holder that fits onto a bicycle stem, accepting a snapped-on bottle cap. An OpenSCAD file is included for modification purposes. I've found success with printing this in PETG or ABS, as PLA versions have been prone to snapping when removing caps. Don't install this before preloading your headset and tightening the stem bolts. If you like my design, consider leaving a tip!
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