Spool Winder Drill Attachment Plus

An update of antonfelich's design to add a few options to the SCAD file and clean up the geometry a bit. Now you can have a cut out for a hex nut, square nut or none at all. Printed and tested with a round head square neck M10 bolt and nut. I think that's about the largest you'd want to go or you'll struggle to fit the bolt in most drill chucks.

You'll need two of these cones and an appropriately sized 125mm bolt and nut to build the winder.

Note that the design does not include any built in tolerances, so I suggest you round dimensions up to the nearest millimeter to avoid any post-processing.