In all previous version, we used to mirror armature by copying one side, and then center 3D cursor to zero, and duplicate, and scale by -1. However I notice that in version 2.78, (correct me if I'm wrong) scaling -1 on x seems to work differently than before as it will caused unwanted rotation on bones. Is it happening to everyone else, and what do I do to prevent it? enter image description here

  • $\begingroup$ Nevermind, I tried in 2.77, it still happens. $\endgroup$ Commented Nov 8, 2016 at 9:21
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    $\begingroup$ Yea, it's long lasting inconvenience in Blender, but it's easy to fix with pressing W and choosing Symmetrize. $\endgroup$
    – Mzidare
    Commented Nov 8, 2016 at 10:48

1 Answer 1


As Mzidare said, you can try Symmetrize. Here's a mirroring technique that circumvents this problem: You can enable X-Mirror, then extend from a central bone with E. The extension should occur symmetrically, and any changes to one should affect the other. I hope this helped :)


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