Summary

This is a joint model called "Cardan Joint".

Please download and print the following files and assemble with 3mm screws.
No nut is required. Prepare bolts only.
-cardan_joint_axis.stl...x2
-cardan_joint_cross.stl...x1

https://youtu.be/9YtaMRO7rAg

I have made two other cardan joints, so if you are interested, please take a look.

• Double Cardan Joint ... https://www.thingiverse.com/thing:4211091
• Double Cardan Joint wih constant velocity ... https://www.thingiverse.com/thing:4211174