<?xml version="1.0"?>

<scene>
  <Group>
    <SubdivisionMesh>

      <positions>
        -1.0 -1.0 0.0
         0.0 -1.0 0.0 
        +1.0 -1.0 0.0
        +2.0 -1.0 0.0

        -1.0  0.0 0.0
         0.0  0.0 0.0
        +1.0  0.0 0.0
        +2.0  0.0 0.0

        -1.0 +1.0 0.0
         0.0 +1.0 0.0
        +1.0 +1.0 0.0
        +2.0 +1.0 0.0

        -1.0 +2.0 0.0
         0.0 +2.0 0.0
        +1.0 +2.0 0.0
        +2.0 +2.0 0.0

      </positions>

      <position_indices>
        0 1 5 4
      </position_indices>

      <faces>
        4
      </faces>

      <material>
        <code>"OBJ"</code>
        <parameters>
          <float3 name="Kd">1 1 1</float3>
        </parameters>
      </material>

    </SubdivisionMesh>
  </Group>
</scene>
