Wire Twister Attachment

I needed to create a twisted pair using very thin wires (`AWG28` or `AWG30`) and if you ever had to do that you know how painstaking is to have a power tool chuck get a hold on those tiny wires.

I did search Thingiverse first, but the [only design already available](https://www.thingiverse.com/thing:536925) didn't look fit for my need, hence I went for my own design.

It doesn't use any screw, bolt or nut, but you will not be able to twist the wires in their full length: something like `4 or 5 cm` of wires will remain untwisted because that's what anchors the wires to the attachment.

Usage instructions should be pretty straightforward: insert the two wires in the inner holes then have them go through the outer holes and under the arc you just created. This _loose knot_ makes a tight connection between the screwdriver attachment and the wires.

The attachment has a `6 mm` shaft which can easily get into the screwdriver clamping mechanism. From there just keep the two wires fir