I'm a new comer of the forum. I have a question regarding mesh and vertex group. I tried to find solution but couldn't.

[What I'd like to do] When the avatar swing his right hand, the sword is also swung with attaching his right hand.

[Current status] Sword is not attached right arm. (See the gif) An swinging sword animation image

The avatar is generated by Ready Player Me.
Most of elements of the avatar are vertex group. I can use "join" feature of Blender. But as you know I failed to join the sword mesh and "Right arm" as vertex group. The picture is before joining the mesh and vertex group.

enter image description here

I guess "join" is not an appropriate option in this case but can't find any best option.

I have basic blender knowledge but not so much knowledge of animation, bone, and vertex group.
Any help or tips are welcome for me. Thanks in advance.

  • 3
    $\begingroup$ What you want to do is use a constraint. If the sword is weighted to a bone, a bone constraint; if it's not, an object constraint. The most appropriate constraint here would probably be a child-of constraint. docs.blender.org/manual/en/latest/animation/constraints/… is the manual on constraints if you've never worked with them before. $\endgroup$
    – Nathan
    Jun 8 at 22:07
  • $\begingroup$ Hello @Nathan Thanks for your rapid and kind reply. It's great help for you! I'll try it. $\endgroup$
    – Limes2018
    Jun 9 at 0:00
  • $\begingroup$ Additional post. I could realize what I'd like to do by using Constraint. Thanks for your help again! $\endgroup$
    – Limes2018
    Jun 12 at 8:29


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