Knob
Grip knobs for bolts, nuts and shafts
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About this generator
Turn any bolt into a thumb screw: press a nut into the knob and thread a bolt through.
How to use
- Pick a style and size.
- Choose a nut size or a D-shaft.
- Press the nut in (a little heat helps).
Printing tips
- A drop of glue keeps the nut in place.
- Use 100% infill around the nut for strength.
Helpful guides
Frequently asked questions
How does the nut go in?
Press a hex nut into the pocket. A drop of glue keeps it in place.
What is a D-shaft?
A round shaft with one flat side, as on potentiometers and many small motors. Set Shaft diameter to the round diameter.