RefractiveMaterial.x3d using X_ITE

X_ITE X3D Browser   VRML 97 specification example: create new node RefractiveMaterial for example D.7

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     Original X3D model: RefractiveMaterial.x3d
X3D Examples Archive: https://www.web3d.org/x3d/content/examples/Basic/Vrml97Specification/RefractiveMaterialIndex.html

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