Background { skyColor 0 0 0 }
  
  DEF layer Layer3D
  { 
     depth -100
     translation 0.5 0.5
     size 0.4 0.4
  
     background Background { skyColor [ 0 1 1 ] }
     viewpoint Viewpoint { position 0 0 10 }
     children [
                  DEF inline Inline { url "@talk-2.wrl" }
                  ]
  }
  
  Sphere {}