GAMESLASHUnity glTFast
By Unity Technologies / glTFast contributors
Import and export glTF 3D content in Unity, with Editor workflows and documented loading from a URL or file path.
Start: In Package Manager, choose Add package by name and enter com.unity.cloud.gltfast.
Try: Add GltfAsset to a GameObject and configure a source URL or file path. When loading paths through UnityWebRequest, the docs require file:// in the Editor and on some platforms, including iOS.
Check: The reviewed 6.19.0 manual separates Editor and in-application import/export. Editor Export is explicitly experimental. Review supported glTF extensions and optional packages against your actual assets.
Documentation and sources: https://docs.unity3d.com/Packages/com.unity.cloud.gltfast@6.19/manual/index.html · https://docs.unity3d.com/Packages/com.unity.cloud.gltfast@6.19/manual/installation.html · https://docs.unity3d.com/Packages/com.unity.cloud.gltfast@6.19/manual/ImportRuntime.html