So I have a hand, but I need to adjust the rig somehow to make the base of the finger properly deform,

If you grab your hand into a fist, you will see the creases between your fingers make an X, there is an extra amount of loose skin that folds downwards, I'm trying to achieve that enter image description here

currently it looks like this:enter image description here

As you can see the knuckle deforms improperly, I've tried fixing it by including a second bone to control the joint, but they haven't been successful

My goal is something like this: https://www.youtube.com/watch?v=-Dv74NFSnnI

  • $\begingroup$ maybe you should put a bone into this part of the hand? $\endgroup$
    – moonboots
    Apr 11, 2021 at 5:31
  • $\begingroup$ I did try, but my attempts didn't work, making that happen seems pretty difficult in 3d, that bulge is due to how the joint is constructed (there's some cartilage there so the tendons don't get pinched) If I move the joints to deform that part, it will interfere with the knuckles. $\endgroup$
    – Cynthetic
    Apr 11, 2021 at 5:54

1 Answer 1


I think you should create a corrective shape key, driven by the rotational difference of the two nearby bones, so that when the angle gets close to 90 degrees, the shape key gets fully activated.


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