Hand crank motorizer
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This couples an inexpensive power screwdriver to a hand cranked gadget.
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Model information
- Source
- Printables
- Category
- Tools
- License
- Creative Commons — Attribution
This couples an inexpensive power screwdriver to a hand cranked gadget.
In this specific case, it turns a hand cranked yarn ball winder into an electric yarn ball winder.
It took a few drafts to get it right.
Modeled in OpenSCAD, so the model is a simple text file you can edit to suit your hand crank.
The steel shank is a flat head screwdriver bit left over from another drill set,
Print instructions
Category: Hobby Print Settings
Printer: Monoprice Mini select
Rafts: Yes
Supports: Yes
Resolution: .1mm
Infill: 100%
Notes:
I printed this in PLA at 190°.
It's printed at right angles to the orientation you'd expect to get the strongest grain. (When I tried printing this with the cone pointing up, it twisted apart in under a minute.)
Post-Printing
super glue in the screw driver bit.
With the print in its printed orientation, the screwdriver bit fits in so the blade is vertical.
Custom Section
The tool in action.