TumbleGroup.x3d using X_ITE

X_ITE X3D Browser   Tumble group: this file contains a Prototype declaration to manage a group of shapes, tumbling them in X, Y, and Z directions.

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     Original X3D model: TumbleGroup.x3d
X3D Examples Archive: https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Siggraph98Course/TumbleGroupIndex.html

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