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I am a beginner to Blender, using version 2.8, and I'm trying to model a human following the Cartoon Character Modeling tutorial on Skillshare. We are using rigify with the new pitchipoy rig to rig the model. I have already created a metarig and moved the bones and generated the rig, and it all seemed to be working correctly except for one problem.

The problem is that when the lips or jaw are moved using any of the lip.B bones or the jaw_master, the teeth also move and deform weirdly as if they are part of the skin. This means that when the mouth opens, you cannot see any teeth as they incorrectly follow the movement of the lips.

This is how the teeth are supposed to be shaped, as can be seen with the mouth closed The teeth when the mouth is closed

When the mouth is open, however, they bend with the lips so you can't see them The teeth when the mouth is open

This issue doesn't seem to be happening in the tutorial I am following and I'm not sure why. From what I can tell I set up the metarig correctly, and I don't think the model in the tutorial needed any extra configuration. If anyone has any ideas please let me know.

Here's the link to the .blend file

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  • $\begingroup$ Maybe I'm blind but I don't see any armature in you file... but anyway you should deparent the teeth from any bones and parent them to their own bones (one for the upper teeth, one for the lower teeth) so that their movement will be completely independent from the lips movements, I don't know how they deal with the problem in the tutorial though, maybe they parent the upper teeth to only one of the upper lip bones, and same for lower teeth... $\endgroup$ – moonboots Aug 21 '19 at 8:19

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