I'm trying to import an action from an old project into a new project. When I do so, the animation just doesn't look right.

Here's the action in the old project:

The action in its original .blend file.

And here it is in the new project:

The action after being appended to a new .blend file.

Note how the animation follows roughly the same beats, but some movements appear to be inverted. What's causing this?

You can find the .blend files here. Thank you!

  • $\begingroup$ It doesn't seem to be the same model to begin with, is the rig exactly the same? $\endgroup$
    – L0Lock
    Oct 25, 2022 at 17:12
  • 2
    $\begingroup$ Probably because you need to rotate the bones on their Y axis? Ctrl R in Edit mode $\endgroup$
    – moonboots
    Oct 25, 2022 at 17:16
  • $\begingroup$ @moonboots hit ctrl + r, rotated the bones by 180, that fixed it! thank you so much! i didn't know i could do that. $\endgroup$
    Oct 25, 2022 at 17:26
  • $\begingroup$ @L0Lock the armature is exactly the same, i was trying to figure out how to transfer the animation from one project to another. it's resolved now! $\endgroup$
    Oct 25, 2022 at 17:27
  • $\begingroup$ @moonboots I have one more issue now, the action that I had already made in the new project now has twisted arms. Is there a way for me to fix this action so that the bones are properly rotated? $\endgroup$
    Oct 25, 2022 at 18:44

1 Answer 1


You need to rotate the bones on their Y axis: CtrlR in Edit mode.

As you can see in the latest version you share, the bones orientations are not the same, you need to make sure that they are the same if you want the action to act the same way on both the 2 armatures. For example for the tail you need to rotate 180° in order to align with the other one:

enter image description here


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