Concept by hotkoin, implementation by me. Fair warning, the tolerances are set for poor abused frankenprinter and even then it is still a plastic knife. I make no guaranties for durability. Stylish, though.
Total BOM:
3x 10mm M3x0.5 flathead bolts
2x 15mm m3x0.5 flathead bolts
5x m3x0.5 heat-set inserts
2x washers
2x ~10mm .075" pins (detent version only)
1x spring, rescued from a ballpoint of your choice
The author marked this model as their own original creation.