Revolver Drum Pen-Holder
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A revolver-drum penholder and desk organiser.
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Model information
- Source
- Printables
- Category
- Office
- License
- Creative Commons — Attribution — Noncommercial
I found a number of revolver-drum penholders, but I didn't really like them, so I made my own with a small base as well as a bigger base.
Material needed:
- 2 625-2RS ball bearings, measuring 5x16x5mm (innerxouterxthickness)
- 3 M5 washers
- 1 M5x20 bolt
- 1 M5 nut (lock or not)
The bolt is inserted from the underside with a washer, then on the top put on a washer, then ball bearing, then washer, then ball bearing, and then screw tight with the nut. Then press the drum onto the ball bearings. Note that since there will be quite a bit of pressure, you might want to put a thick washer between the bolt and a surface to alleviate the stress on the plastic. The drum should be around 0.5-1mm away from the base.
If the drum is on a slight angle, you can twist it by holding onto the screwdriver and carefully putting some bending pressure on the drum.
There is also a model that uses only 1 ball-bearing. This should be fine, but I wasn't happy with the wobble, so I added some space for 2 bearings for better stability.
The material used to print was add:north Glitz Saphire.
Remember to add support for the ball-bearing opening.