#VRML V2.0 utf8

# WorldInfo to give some basic information
WorldInfo {
  title "VRML 2.0 Extrusion Example"
}

# Extrusion (example of a simple 3D shape extrusion)
Transform {
  translation 0 0 0
  children [
    Shape {
      geometry Extrusion {
        crossSection [
          1 1, -1 1, -1 -1, 1 -1, 1 1  # Square cross-section
        ]
        spine [
          0 0 0, 0 1 0, 0 2 0  # Extruded along a vertical line
        ]
        creaseAngle 1.57  # Smooth shading at creases
        scale [
          1 1, 0.5 0.5  # Uniform scaling of the extrusion along the spine
        ]
      }
      appearance Appearance {
        material Material {
          diffuseColor 0 1 0  # Green
        }
      }
    }
  ]
}