I've found glTF ( https://www.khronos.org/gltf/ https://www.khronos.org/gltf/ ) to be quite simple. The entire format is encompassed in something like a dozen

I've found glTF ( https://www.khronos.org/gltf/ https://www.khronos.org/gltf/ ) to be quite simple. The entire format is encompassed in something like a dozen entity types. Nice visual overview here: https://github.com/KhronosGroup/glTF/blob/main/specification/2.0/figures/gltfOverview-2.0.0b.png https://github.com/KhronosGroup/glTF/blob/main/specification...