Gltf Loader Group, Object3D

Questions
1

When using the three js gltf loader, does the glb file have a sms group wrapped under the scene, and if you look at the children, is there a type whose type is object3D sometimes?

2

I don’t know what you want to do
but Most of scene’s children type is Object3D, children extend Object3D
Need More detail for accurate answer

3

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image
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If you look at the capture pictures, you can see that the same 3d model is loaded, but the order of children? is different, so why?

4

I can’t see that from the image — the UUIDs will be unique each time, but the order should be the same. If you’re sure the children are being loaded in a different order some of the time, and can share code and a model to reproduce the issue, I would recommend filing a bug.