ImportExportSyntax.x3d using X_ITE

X_ITE X3D Browser   Demonstrate IMPORT/EXPORT syntax. Better examples needed, split across 2 files for separate IMPORT and EXPORT.   

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     Original X3D model: ImportExportSyntax.x3d
X3D Examples Archive: https://www.web3d.org/x3d/content/examples/Basic/development/ImportExportSyntaxIndex.html

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