key holder "tactical" style
thingiverse
I'm designing my own keyholder, and I've got a bunch of them here, but most are bulky Swiss Army-style ones. I wanted something more tactical, so I tried making my own. It can hold 5-6 keys. You'll need a 20mm M3 screw and nut to make it work. Optional features include 0.5mm shims to fill any gaps and an axle sleeve to prevent slack.
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