I am currently 3d modeling a twisty puzzle and trying to animate it. I have the puzzle done but when I try to animate it, it randomly twists and turns the individual objects in different directions before converging back to their original form at the end of the animation.
The screencast of me attempting to animate this is here: https://youtu.be/FiPcvhNzosk
File at the end of the screencast:
This is the original file. Just delete the 2 keyframes that are there:
I did make this with a tutorial. It is by rcpongo and I have very slightly edited his design. All credit goes to him for my design.