I generated the rig of a model with Auto Rig Pro which works great. For the jaw, as my model is basic, I need only one vertex group for the jaw bone. I tried to use the "Clean vertex group" function in weight paint mode, but is is greyed out.

enter image description here

Here is an image of an attempt with a (very) basic example. The function is greyed out still. What's wrong ?

If you also have a suggestion about the way I can affect the jaw deformation to a single bone, I am interested ...

Thanks !

  • $\begingroup$ To affect the jaw deformation to a single bone, obviously, it is possible to manually delete the useless vertex groups : all but the jaw group. But the Clean vertex group function would be usefull in more complex situations. $\endgroup$
    – Nicolas
    Feb 6, 2021 at 10:39


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