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Parametric ring sizer/generator

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chesamo

@chesamo

Create your own rings!

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Downloads: 30
Makes: 0
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Updated at source: Feb 8, 2026

Model information

Source: Printables
Category: Other Fashion Accessories
License: Creative Commons — Attribution — Noncommercial — Share Alike

Details Files (51)Makes & comments (Makes: 0) (Comments: 0)Remixes (0)Collections (4)

Wrote a quick script to generate a tester ring. You can optionally include the ring size as a label on the side. Note that I've only included half-sizes from 1 to 13; the script allows you to generate quarter sizes from 1 to 16 if you need them.

Note that to save some time, the ring size conversion is calculated rather than referenced. This leads to variation in the sizing very slightly from the "true measurement" as seen in the table below:

Size	True dia	Calc dia	Difference
1	`12.37`	`(baseline)`	`0.00`
2	`13.21`	`13.20`	`-0.01`
3	`14.05`	`14.03`	`-0.02`
4	`14.86`	`14.86`	`0.00`
5	`15.70`	`15.69`	`-0.01`
6	`16.51`	`16.52`	`+0.01`
7	`17.35`	`17.35`	`0.00`
8	`18.19`	`18.18`	`-0.01`
9	`18.99`	`19.01`	`+0.02`
10	`19.84`	`19.84`	`0.00`
11	`20.68`	`20.67`	`-0.01`
12	`21.49`	`21.50`	`+0.01`
13	`22.33`	`22.33`	`0.00`
14	`23.16`	`23.16`	`0.00`
15	`24.00`	`23.99`	`-0.01`
16	`24.83`	`24.82`	`-0.01`

Incremental sizes will have similar variation, though slightly smaller.

Recommended Print Settings

0.4mm nozzle
0.2mm layer height
10% infill
No supports
Print as oriented

Parameters

size (number): The US/CA size to render
thiccness (number): How thicc the ring should be
length (number): How long the ring should be
curvedOuter (Boolean): Whether to round the outside for improved aesthetics
roundness (number): How round the outside should be
includeSize (Boolean): Adds the ring size as a little tag on the side
sizeTextSize (number): Text size of the ring size