This is a great design by Sneaks at https://www.prusaprinters.org/prints/3408-quickly-measure-sort-m2-m3-m4-m5-metric-screws-up- but also to cmh at https://www.thingiverse.com/thing:4154091 for sanitising this for me (version with no keychain loop or back text).
I just wanted a simpler cleaner look that I could print on the Mini
Printer: Prusa
Model: Mini
Rafts: No
Supports: No
Resolution: 0.2
Infill: 20%
Filament: Various PLA
The author remixed this model.