I'm looking for any relatively easy way to copy over the weights. I believe I might be going mad and have missed out on a simple solution...

Whenever I try to mirror the vertex group after copying the vertex group it seems to take a line/segment of the weights when copying over to the other side as opposed to the whole damn thing?

Help is much appreciated!!

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  • $\begingroup$ Have you tried without enabling Topology mirror ? $\endgroup$ Jul 27, 2017 at 16:26
  • $\begingroup$ Nope - just done that now and no luck :( It seems that it's only managed to transfer a line of the weights from the front and back side of the model. Whenever I do it I receive the following message - 26 vertices mirrored, 2248 failed $\endgroup$
    – Ess McLean
    Jul 27, 2017 at 16:34
  • $\begingroup$ Did you use a Mirror Modifier for the vertices and apply the Modifier and then [ make no futher addition or deletion or position changes of vertices]?. Life is easier when you reduce mesh changes. I do not know the exact rules for mirror paint success. $\endgroup$ Jul 27, 2017 at 16:38
  • $\begingroup$ Nope I didn't use the mirror modifier at all - I just copied and scaled/flipped it. I might just paint the other leg weights in, although it would be nice to know if there is a solution! I'm more familiar with 3DS/Maya when it comes to stuff like this! I thought that its also important to learn Blender but damn it can be difficult to get my head around :( $\endgroup$
    – Ess McLean
    Jul 27, 2017 at 16:42
  • $\begingroup$ And you did parent the armature with weights? $\endgroup$ Jul 27, 2017 at 17:04

1 Answer 1



  • Inspect and Correct armature names. Make sure your armature has names such as
    • Hand.R and Hand.L .
  • Copy the file for archive purposes, or duplicate scene. 3 minutes or less.
  • Edit to half body. Use Mirror Modifier Mesh. Make Perfect.
  • Apply Mirror Modifier. Full Body is result. This may be viewed a common workflow.
  • Make no further changes to Body Mesh.

  • Perform quick and massive paint tests to see if new Body is weight paint friendly.

  • $\begingroup$ I have a feeling that it might not be perfectly symmetrical - I'll give this a try and let you know if it's done! Thanks everyone x $\endgroup$
    – Ess McLean
    Jul 27, 2017 at 16:51
  • $\begingroup$ You are the Artist. Half Body to Full Body is trying to guarantee symmetry. I see the armature which can change position. Perhaps this a 5 minute (discardable rubbish) learning experience. $\endgroup$ Jul 27, 2017 at 16:59

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