Water Bottle Holder - 3 Sizes - Prints Flat

These will hold a number of things to a number of other things, and are designed to be clamped onto 20mm tubes such as on bikes, table legs or wheelchairs.

There were a couple of things that I didn't quite like about the previous version, and the rings themselves proved to be a little too thin for rough handling, so this version has strengthened them to 4mm thickness.

The rings and the fasteners are now straight.

The rings come in three sizes, 65mm, 70mm, and 75mm roughly.

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