Colour Collar Marker Rings for Smartwater Bottles

Smartwater bottles are very popular among hikers. I’ve designed these simple collar rings that snap around the neck of the bottle, making the bottles easy to mark.

The ring is very easy to print. I used PLA and PETG, and they work equally well.

Download the STL file for the ring here:

This design on Thingiverse.
This design on PrusaPrinters.

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