
<div dir="ltr">There doesn't seem to be anything to stop a scene from being cyclic -- freewrl has no defense against it, and simply crashes likely from stack overflow.<div>-Doug</div><div><?xml version="1.0" encoding="UTF-8"?><br><!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.0//EN" "<a href="http://www.web3d.org/specifications/x3d-3.0.dtd">http://www.web3d.org/specifications/x3d-3.0.dtd</a>"><br><X3D profile='Interchange'><br><head><br></head><br><br><Scene><br> <Group DEF='CYCLIC'><br>  <Shape ><br>    <Appearance ><br>  <Material /><br>    </Appearance><br>    <Cone /><br>  </Shape><br>  <Group USE='CYCLIC'/><br> </Group><br></Scene><br></X3D><br></div><div><br></div></div>