Comfort fit ring customizer - ISO metric version

This script generates comfort-fit rings in a wide variety of sizes. I wrote it to make customized ring shanks that I can combine with other 3D printed pieces or carved wax to use in lost wax casting.

To make your own ring, click “Open in Customizer”. The optional flat top makes it easy to attach things to the ring. If you don’t want the flat top, set Top width = 0 in the Customizer.

This is the ISO metric version. It allows you to specify the ring sizes used in most European countries. There is also a North American version here: https://www.thingiverse.com/thing:2936945
The North American version allows you to specify the ring sizes used in the US, Canada, and Mexico. This page has a ring size conversion chart for other countries: https://en.wikipedia.org/wiki/Ring_size”

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