ElevationGridNonPlanarQuadrilaterals.x3d using X_ITE

X_ITE X3D Browser   Show how a single nonplanar quadrilateral can be tesselated in 2 different ways.

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     Original X3D model: ElevationGridNonPlanarQuadrilaterals.x3d
X3D Examples Archive: https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter06GeometryPointsLinesPolygons/ElevationGridNonPlanarQuadrilateralsIndex.html

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