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Turntable with Gears
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A 12cm diameter turntable with complicated gears
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Model information
- Source
- Printables
- Category
- Other Gadgets
- License
- Creative Commons — Attribution
Turntable with fun gears around the outside.
This is quite a complicated one to build as it requires lots of extra parts:
- N20 geared motor with high gear ratio. I used a 6V, 1000:1 ratio motor. About 20-30 rpm. Avaliable from Pololu or cheap on ebay or various Asian online stores
- A small battery 3.7V lipo recommended - I used a 45 x 25 x 10mm 700mAh one.
- Solder, wires and Soldering iron
- Prototyping board and tiny switch soldered and trimmed to fit
- Optional battery charger, there's space for a TP4056 USB Lipo charger with protection circuit. I got these off ebay.
- 10x M3x10mm socket head screws for each of the outer gears
- 1x M3x 16mm socket head screw for a central screw
- Some Small M2 screws for mounting circuit boards and attaching the motor gear. Or use some glue.
See images for assembly. The M3 screws self-tap into the plastic, and dont tighten any too much to leave the gears spinning.
Note: I didn't want the switch sticking out on top or bottom surfaces, so it's only accessible by using a screwdriver or finger tip through the hexagonal holes in the inner ring. This is slightly difficult when it's spinning!
Printed gears in nice copper colour.
No supports needed in any parts.