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Peanut Butter Jar Roller Mixer
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Overengineered solution to separated peanut butter. It could also be used as a rock tumbler or ball mill.
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Model information
- Source
- Printables
- Category
- Kitchen
- License
- Creative Commons — Attribution
This model lets you build a roller that spins a jar to mix back together separated peanut butter. It was inspired by this blog post: https://cdaringe.com/peanut-butter-spinner/.
You'll need to print each part once, except the wheel, of which you need 4.
You'll also need these mechanical/electronic parts:
- 1 x 200mm timing pulley set with 20&60 teeth
- 1 x 16 tooth pulley with 3mm bore, to replace the 5mm bore one in the set
- 1 x Mini DC motor
- 1 x Motor speed controller
- 1 x USB-C PD trigger board, configured to 5v.
- 2 x M5-0.8 threaded rod, cut to 125mm length
- 4 x M5 hex nut
- 4 x #8-32 square nut
- 4 x #8-32 x 1-¾" flat head screw
- 11 x 5mm shaft collar (10mm OD, 5mm width)
- 4 x 16mm OD 5mm ID ball bearings
- 4 x 176mm timing belt 2GT profile, 6mm width (these are for on the wheels, they are pretty hard to get on)
Designed in Fusion 360, you can get the model here: https://a360.co/4aR3IFc.