Twisted bones for VRM avatar

Does anyone know how I can properly fix up the bones of my VRM model so animations will work? I have a playground here with my efforts Babylon.js Playground

As you can see I’ve untwisted the hips and upper-legs and it kind of matches the original avatar, but there’s some bad warping going on. If you want to see what it looks like without the untwisting then just comment out the untwist commands

@il-m-yamagishi maybe you know what is happening here?

Hope @il-m-yamagishi can have a look as I feel so dumb with VRM it is scary :slight_smile:

Sorry for late response, I’m trying to revamp babylon-vrm-loader and it takes some time to work properly.

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