![I designed this 3D-printed ball joint for a robot i am building. It utilizes air gun pellets for friction reduction and has a springloaded central ball to adjust the amount of slop I designed this 3D-printed ball joint for a robot i am building. It utilizes air gun pellets for friction reduction and has a springloaded central ball to adjust the amount of slop](https://preview.redd.it/i-designed-this-3d-printed-ball-joint-for-a-robot-i-am-v0-vmqqrry3js291.jpg?width=640&crop=smart&auto=webp&s=9be847e690d65dacc208d519146c341cb38211ca)
I designed this 3D-printed ball joint for a robot i am building. It utilizes air gun pellets for friction reduction and has a springloaded central ball to adjust the amount of slop
![Working principle. (a) Initial assembled position. (b) Lock of ball joint. | Download Scientific Diagram Working principle. (a) Initial assembled position. (b) Lock of ball joint. | Download Scientific Diagram](https://www.researchgate.net/publication/303894208/figure/fig1/AS:550171768311808@1508182579521/Working-principle-a-Initial-assembled-position-b-Lock-of-ball-joint.png)
Working principle. (a) Initial assembled position. (b) Lock of ball joint. | Download Scientific Diagram
![Reprap Kossel M3 rod end ball joint kit for DIY 3D printer Rostock Kossel Mini 3D Printer TRAXXAS 1942 Arms-Makes Reprap Kossel M3 rod end ball joint kit for DIY 3D printer Rostock Kossel Mini 3D Printer TRAXXAS 1942 Arms-Makes](https://ae01.alicdn.com/kf/HTB1kD7jQVXXXXasXpXXq6xXFXXXQ/Reprap-Kossel-M3-rod-end-ball-joint-kit-for-DIY-3D-printer-Rostock-Kossel-Mini-3D.jpg)