I thought about how to ask this question, but couldn’t come up with anything that made sense, so I’m just going to provide a link to a portion of the model I’m trying to deform. I have a model I generated with Make Human, and I’m trying to learn how to create an armature. I created several vertex groups for the various parts of the feet, but ran into a seemingly bizarre issue I can’t solve. Two of my vertex groups for the little toe on the right foot deform fine if I move the bones of those vertex groups, but those same vertices don’t deform the same way when I move the bone for the foot itself. It’s hard to explain in words, so here’s the zipped .blend file for the portion of the model I’m having trouble with (and the leftovers from the body model that I didn’t delete):
It’s about 160KB zipped.
Why is the little toe not deforming properly when the main foot bone is moved, but deforms (more or less) fine when the little toe bones themselves are moved?