M3 finger wing nuts
thingiverse
m3 nut with SW files included I put a 2 degree taper in the nut cut out to retain the nut. You can press the nut in simply by lining it up and tightening a short ( I used a 12mm) m3 bolt or screw until the nut is flush with the edge of the finger nut. Thanks to the taper you should never have glue gumming up the threads.
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