Map facial expressions (e.g., Joy, Angry, Sorrow) and mouth visemes (A, E, I, O, U) using Blender’s shape keys. Metadata & Physics:

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Select your model in the hierarchy, go to the top menu, click VRM0 -> Export to VRM (or VRM1 depending on your version), fill out the author metadata, and click Export. Method B: Web-Based GUI Converters (Fastest)

GLB files are generic 3D assets, while VRM is a specialized extension of glTF 2.0 designed for avatars. A successful conversion must address: Bone Mapping

Are you seeing a (e.g., "invalid bone mapping")? Convert ANY 3D model to VRM! (without Unity)

: The official and most robust method remains using UniVRM within Unity, which ensures full compatibility with the VRM specification. Key Performance & Compatibility Review Review & Considerations Ease of Use

If the eyes do not move, go to the VRMLookAt component and configure the LookAtTarget .

: Create a new 3D project and download UniVRM from the official GitHub. Import & Configure :