mini-clamp
thingiverse
A small clamp/vice using 1/4 20 @ 2" bolts. you can install a small spring in the middle or glue the bolt into the bottom half I designed these for a specific project that i needed to clamp along an edge of 3/4" material. If you want to clamp narrower materials. just print small spacer blocks to fill the opening to match your project. probably possible to rescale it to fit other bolts
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