Set of Ring Sizers
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I had temporarily misplaced my fancy steel ring sizers. Then I found a model online that frustrated me, so I designed these in TinkerCAD. This includes US sizes 2 thru 15 with half-sizes in-between. Each model is printed separately and the large master ring is riveted together with 1.75mm filament rivet melted on each side. The torus rings are all a bit faceted, so I may go back and increase the number of sides at some point. But the faceting doesn't seem to affect their accuracy too much. There is a bit of shrinkage and inaccuracy involved but the most-used central sizes are the most accurate rings. I did include an .obj file for the size 8 for those that wish to experiment with the parts in TinkerCAD.