#X3D V3.0 Group { children [ WorldInfo { title "Disk2D X3D test" info ["This shows a a Disk2D" "" "GPAC Regression Tests" "(C) 2002-2004 GPAC Team"] } Transform { children [ Shape { appearance Appearance { material Material { diffuseColor 1.0 0.0 0.0 } } geometry Disk2D { outerRadius 1 innerRadius 0.4 } } ] } ] }