Pop Rivet Sizing Gauge
thingiverse
My blind rivets got all mixed up, and it's tough to gauge the size just by looking since they vary in diameter by only 1/32". So I built a small test-fit gauge to quickly get their diameter and grab depth. It will measure diameters from sizes 3 to 6 (in thirty-seconds of an inch) and lengths from 2 to 12 (in sixteenths of an inch).
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