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Y
yuv25741272h3wz
Participant
August 21, 2022
Question

Mixamo does a poor job of skinning and rigging models

  • August 21, 2022
  • 2 replies
  • 3069 views

Mixamo does a poor job of skinning and rigging models!
It wasn't noticed before, a couple of years ago. And now the defects of the model processing are too conspicuous. Maybe it's because Adobe owns the tool?
There is a stretch deformation in the pelvic area of the character's lower pelvis. This is ugly for the model and animation, which was not the case a few years ago.
It doesn't depend on the model of the character. We can adjust his geometry on the fly, and it doesn't change the situation with Mixamo.
We ask Adobe to make a correction in the MIXAMO program. 

 

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    2 replies

    Ussnorway7605025
    Ussnorway7605025
    Legend
    August 22, 2022

    not at my end

      Y
      yuv25741272h3wzAuthor
      Participant
      August 23, 2022

      Thanks for the example, my friend!
      I tried changing the grid in this place, and it worked fine.
      The model is imported into Mixamo anyway without its skeleton. Miksamo adds the skeleton to the mesh itself. And the fact that you have to change the mesh of the character, of course, interferes, aesthetic design. But anyway, Miksamo is the only free tool of this decent level. 

      🙂 ! 

      C
      cinemascene
      Known Participant
      September 1, 2022

      Hello Have you some animations from MIXAMO before August the 20 th ?  its very urgent I need it foir a job 

      Ussnorway7605025
      Ussnorway7605025
      Legend
      August 21, 2022

      yes they changed the background scripts last year to use newer Fbx formats... unfortunately these upgrade bussed more than they fixed but part of that is because Autodesk doesn't want people using the older Fbx filetype

       

      anyway the groin deformation happens when different models are linked to the same animation i.e, models with slightly different bone rigs will get this issue and the workflow is to remove the old rig from one or both models and reupload them to Mixamo before adding animation... doing this gives them the same bone rig and gives best results

       

      p.s, most Adobe staff are unaware of Mixamo so the odds of any fix is low

        Y
        yuv25741272h3wzAuthor
        Participant
        August 22, 2022

        This groin deformation occurs already in the first stage - when loading the mesh of the character without bones. Apparently, Mixamo adapts an already ready skeleton from its base, and does it badly. And this leads to the fact that the character with a good mesh is simply ugly in the pelvic area.

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