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Does X-Axis Mirror work on a mesh? I applied X-Axis Mirror to a set of bones and it worked but not on the mesh, I tried to mirror the mesh using the X-Axis Mirror option but it doesn't mirror anything.

Here's the .Blend.

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  • $\begingroup$ Could you explain your question in a bit more detail? $\endgroup$
    – gandalf3
    Commented Jun 18, 2015 at 20:12
  • $\begingroup$ I tried to mirror the mesh using the X-Axis Mirror option but it doesn't mirror anything. $\endgroup$ Commented Jun 18, 2015 at 20:36

2 Answers 2

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The mesh isn't exactly symmetrical.

This behavior is intentional. Meshes which are almost (but not quite) symmetrical wont detect vertices as mirrored.
This is needed to avoid problems with high-poly meshes where vertices may be very close.

To resolve the problem, you can use the Snap to Symmetry tool.
See: Mesh -> Snap to Symmetry.

This has options to select a distance threshold and choose which side of the axis to use.

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This is because your mesh is not symmetrical.

X mirror looks for a corresponding vertex on the opposite side of the object's origin:

enter image description here
Grabbing the vertex at 1 will look for a vertex at 2.

If your mesh is not symmetrical, chances are there is no vertex at 2. If there's no corresponding vertex, then X mirror can't do anything.

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