EXTERNPROTO NurbsCurve [
  field             MFFloat   knot             
  field             SFInt32   order                

  exposedField      MFVec3f   controlPoint     
  exposedField      MFFloat   weight          
  exposedField      SFInt32  tessellation      
] 
[
	"urn:inet:blaxxun.com:node:NurbsCurve",
	"nurbs.wrl#NurbsCurve"  # for local testing
	"http://www.blaxxun.com/vrml/protos/nurbs.wrl#NurbsCurve"
]