 The official GLTF samples repository has an example https://github.com/KhronosGroup/glTF-Sample-Assets/tree/main/Models/PrimitiveModeNormalsTest which doesn't render correctly on macos m3 max see attached model [PrimitiveModeNormalsTest.glb.zip](https://github.com/user-attachments/files/20010495/PrimitiveModeNormalsTest.glb.zip)