Ninja Blender Peanut Butter Jar Adapter
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This adapts plastic 16oz peanut butter jars to fit the single-serving NutriNinja blades.
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Updated at source:
Model information
- Source
- Printables
- Category
- Kitchen
- License
- Open Community License v1
I have a Ninja Professional 1100 watt (BL660) blender. It has single-serving cups with a small set of blades, apparently called "nutrininja" but not labelled as such on my unit. https://www.sharkninja.com/nutri-ninja-blade-for-bl660-bl740/307KKU.html
I also have a lot of empty 16oz peanut butter jars. Mine tend to be 365 amazon brand, but I think they're all the same. Let me know in the comments. https://www.amazon.com/dp/B074H57SPT?th=1
These threads fit TIGHT at first (on purpose) and will deform slightly after 2-3 uses. The deformation causes it to fit perfectly. I recommend PLA so it can deform more easily.
PLA isn't "food safe" and so this part should never touch your food. The top of the peanut butter jar seals directly against the top of the "nutrininja" blade base. The adapter just holds them together.
If your peanut butter jar isn't clean, or has some of the sealing paper still attached, it could vibrate loose. Just hold it in place if that happens.
Fits BL660 (1100 watt), BL663 (1100 watt), BL740, BL770 BL771 BL772 (1500 watt), BL780 (1200 watt), BL810 BL820 BL830.
Design file provided (freecad). Remix away!