This is an alternate take on the universal joint from Lego Technic that has axles on each side instead of socket for axles - this allows some more compact uses for the joint.
Assembly showcase: https://www.youtube.com/watch?v=LOGbwcaRkK4
UniversalJoint_2.STL | 530.7KB | |
UniversalJoint_Middle.STL | 165.1KB |