Basically the title. Blender breaks up the UVs when doing a ctrl+m in editmode. Anyone know of a plugin or perhaps a script that allows doing this without messing up? I know you can detach, mirror and then rejoin, but with multiple small objects needing to be mirrored in different directions it can be annoying.


The issue


1 Answer 1


This seems to be a fixed bug (T80623 https://developer.blender.org/T80623) already on the list for potential candidate 2.90.1 https://developer.blender.org/T80396

As a workaround you can use the mirror-modifier and apply it.

  • $\begingroup$ Ah, thats super nice. AFAIK The mirror modifier unfortunately isn't very useful for mirroring/flipping parts of a mesh. $\endgroup$
    – Ills
    Sep 19, 2020 at 17:17
  • $\begingroup$ Ah yes thats true. Dont want to guess how compartmentalized your object is. I didnt test 2.91 experimental yet, hopefully its fixed, maybe its stable enough. Older experimental releases often worked for me! Good luck :) $\endgroup$
    – A M
    Sep 19, 2020 at 17:23

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