Hi I have created a mask like this in my blender 3.3 enter image description here

So we can see the mask is surrounding the horse and its head is on the left side. And later, the horse head is on the right: enter image description here

So how do I rotate the mask ?? I have read this question here about rotating How to rotate a mask in blender (Vfx not sculpting) so I tried that and changed the origin point to mediant point, but that doesnt solve my problem. I still can't rotate my mask head horse to the right. Thank you

Note: This is the whole blender screenshot: enter image description here

  • $\begingroup$ Please add an image of the whole Blender screen (via Window > Save Screenshot in Blender). At the moment we have no idea what we're looking at or where that mask has come from! $\endgroup$
    – John Eason
    Oct 22, 2022 at 13:41
  • $\begingroup$ I edited the question and add the whole blender screen shot :-) $\endgroup$ Oct 22, 2022 at 13:50
  • $\begingroup$ Thanks. I'm not familiar with Blender's VFX editor so someone else will have to answer that one! $\endgroup$
    – John Eason
    Oct 22, 2022 at 14:51

1 Answer 1


You are working in a 2D plane, rotation happens in the Z axis only, not X and Y.


What you can do instead is scale the mask on the X axis to -1, which will effectively mirror it on the X axis.

To do this, select your mask with A, then hit SX-1⏎ Enter

negative scale


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