<div dir="ltr">I believe glTF files end in .gltf and .glb (binary), not .json.   Please confirm and update glTF .json files found in archives.  See files below in X3dForAdvanceModeling.   They do no pass X3D JSON schema.<div><br></div><div>Thanks, John</div><div><br></div><div>$ grep file: results.txt |grep -i /gltf|sort -u<br> file: C:/x3d-code/<a href="http://www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/GltfSampleModels/AlphaBlendModeTest.json">www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/GltfSampleModels/AlphaBlendModeTest.json</a><br> file: C:/x3d-code/<a href="http://www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/GltfSampleModels/AntiqueCamera.json">www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/GltfSampleModels/AntiqueCamera.json</a><br> file: C:/x3d-code/<a href="http://www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/GltfSampleModels/AttenuationTest.json">www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/GltfSampleModels/AttenuationTest.json</a><br> file: C:/x3d-code/<a href="http://www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/GltfSampleModels/DamagedHelmet.json">www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/GltfSampleModels/DamagedHelmet.json</a><br> file: C:/x3d-code/<a href="http://www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/GltfSampleModels/DragonAttenuation.json">www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/GltfSampleModels/DragonAttenuation.json</a><br> file: C:/x3d-code/<a href="http://www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/GltfSampleModels/GlamVelvetSofa.json">www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/GltfSampleModels/GlamVelvetSofa.json</a><br> file: C:/x3d-code/<a href="http://www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/GltfSampleModels/Lantern.json">www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/GltfSampleModels/Lantern.json</a><br> file: C:/x3d-code/<a href="http://www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/GltfSampleModels/Suzanne.json">www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/GltfSampleModels/Suzanne.json</a><br> file: C:/x3d-code/<a href="http://www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/GltfSampleModels/ToyCar.json">www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/GltfSampleModels/ToyCar.json</a><br> file: C:/x3d-code/<a href="http://www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/GltfSampleModels/TransmissionTest.json">www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/GltfSampleModels/TransmissionTest.json</a><br> file: C:/x3d-code/<a href="http://www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/GltfSampleModels/WaterBottle.json">www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/GltfSampleModels/WaterBottle.json</a><br></div></div>