AttenuationTest.x3d using X_ITE

X_ITE X3D Browser   This model tests interactions between attenuation color, attenuation distance, and thickness in the KHR_materials_volume extension.

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     Original X3D model: AttenuationTest.x3d
X3D Examples Archive: https://www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/GltfSampleModels/AttenuationTestIndex.html

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