dual threaded bolt and nut toy —

Founded dual threaded bolt and nut toy models & stl files for printing
Superb Owl Dual Extrusion
TheNewHobbyist
Insulating nut cap M5
Per Mejdal Rasmussen
Peanut  3D Scan
OpenScan
M5 nut knob
Matthias
DremelThread Adapter
nikolai2111