Pin vise drill

A hand drill for soft materials using 0.5 to 2mm drill bits where other drills are impractical. Consisting of a chuck with hexagonal shaft to prevent spinning whilst tightening, a hexagonal handle to improve grip, a ridged thumbwheel for tightening and a round cap to comfortably fit in the hand.
Add 3xM4 nuts & 80mm of M4 threaded rod. Hot/glue fit the nuts in the chuck, thumbwheel & cap.
Fit the thumbwheel & cap on one end of the rod & insert in the handle then the chuck and turn the thumbwheel to tighten.

Updated 6th Jan 2025
Separated the elements out into individual STL files.