UK Ring Sizes

UK Ring Sizer Set
Quick, easy-to-print ring gauges for UK sizes A–Z (diameter & circumference)

Summary
A simple set of UK-standard ring sizers, each with a 2 mm band thickness, so you can precisely check your ring size before ordering or printing your own jewellery. Designed to be printed fast in PLA, they’re ideal for anyone needing a quick and accurate way to size fingers at home.

Print Settings
Material: PLA
Nozzle: 0.4mm nozzle
Layer Height: 0.20 mm
Infill: 15 %
Walls: 2
Build Plate Adhesion: Brim (helps stabilize these narrow rings)
Print Speed: 50 mm/s (recommended)
No Supports Needed

How to Use
Print the full set of ring sizers in PLA.
Carefully remove the brim and any loose strings.
Slide each ring sizer onto your finger until it slides on with just a bit of resistance—this is your perfect UK size.

Tips & Tricks
Clean Edges: A quick swipe with fine sandpaper on the inner lip will make sizing even smoother.
Material Variations: PETG will give a slightly more flexible ring; A