An attachment for a electric screwdriver for twisting pairs of wires together.
We made this device so we could tidy up wire pairs using an electric screwdriver.
It uses a small retaining M3 screw to clamp the wires in place and has a simple hex rod to fit into standard screwdriver fittings.
To use simply put the wires into the central holes and tighten the screw (not too tight or else you'll crush the wires).
Hold or secure the other end of the wires maintaining tension on the wires, and then turn on the screwdriver until wires are twisted to your satisfaction.
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Print at 20% fill or higher.
Requires M3 screw (5mm or more grub screw or 10mm or more normal) and M3 nut.
Put the nut into the square hole in the bottom and put the screw partially into the nut through the hole in the side leaving room for the wires.