https://raw.githubusercontent.com/KhronosGroup/glTF-Sample-Models/master/2.0/CesiumMan/glTF-Embedded/CesiumMan.gltf

https://raw.githubusercontent.com/KhronosGroup/glTF-Sample-Models/master/2.0/MetalRoughSpheres/glTF/MetalRoughSpheres.gltf

https://raw.githubusercontent.com/KhronosGroup/glTF-Sample-Models/master/2.0/MosquitoInAmber/glTF/MosquitoInAmber.gltf

https://raw.githubusercontent.com/KhronosGroup/glTF-Sample-Models/master/2.0/VertexColorTest/glTF/VertexColorTest.gltf

https://raw.githubusercontent.com/KhronosGroup/glTF-Sample-Models/master/2.0/AlphaBlendModeTest/glTF-Binary/AlphaBlendModeTest.glb