I am having trouble with weight painting. I am not sure how to explain the issue very well.

Essentially, I need only the frame lock of a revolver to be painted -- but no matter what I do, only on this side of the model -- a little streak is getting painted too.

enter image description here

Could someone look at the .blend file and advise me on how to do this? https://a.pomf.cat/jqyxqf.blend This is the .blend file.


  • $\begingroup$ just from looking at your picture it looks like the vertiex is connected to both parts. $\endgroup$ – David Jun 16 '16 at 12:47

The problem is due to the fact the frame lock is not a separated part of the mesh. The vertices involved in your issue link the frame lock to the other part of your mesh. So this is a model problem not a weight paint problem.

You need to rip these vertices.

Doing that is a bit messy with this model as many tris are involved. But here is the principles :

  • Go to edit mode
  • In the modifier panel click on 'Display modifier in edit mode' and on 'adjust edit cage to modifier result' (in order to identify the good vertices easier)

enter image description here

So you can see that in edit mode when you move the frame lock bone : enter image description here

Now the principle is to select the edge which links the two parts and rip it with V. Then remove the unwanted vertices from the 'frame lock' group.

I had to repeat these two steps several times as the vertices are very intricated here. And that makes the detailed explanations hard to give here.

But the result : enter image description here and the blend file

  • $\begingroup$ Do you have a Retina (high DPI) display? Just so you know, your screenshots are all double size—even on a Retina display! (I tend to either downsize them or move Blender to a second, regular-DPI display before taking a screenshot. Also, no offense meant, just trying to be helpful.) $\endgroup$ – SilverWolf - Reinstate Monica Nov 10 '17 at 19:01

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