Figure31_2MaterialPrototypesLibrary.x3d using X_ITE

X_ITE X3D Browser   An external file containing a material library with the WallColor-node-type definition.

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     Original X3D model: Figure31_2MaterialPrototypesLibrary.x3d
X3D Examples Archive: https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter31Prototypes/Figure31_2MaterialPrototypesLibraryIndex.html

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