EXTERNPROTO Layer3D[
          exposedField SFVec3f bboxSize
          exposedField SFVec3f bboxCenter
          eventIn MFNode addChildrenLayer
          eventIn MFNode removeChildrenLayer
          exposedField MFNode childrenLayer
          exposedField SFVec2f translation
          exposedField SFInt32 depth
          exposedField SFVec2f size
          exposedField SFNode background
          exposedField SFNode fog
          exposedField SFNode navigationInfo
          exposedField SFNode viewpoint
          exposedField MFNode children
          eventIn MFNode addChildren
          eventIn MFNode removeChildren
          ]
  ["urn:inet:blaxxun.com:node:Layer3D","<a href=http://www.blaxxun.co>/vrml/protos/nodes.wrl#Layer3D","nodes.wrl#Layer3D"]