{
  "vertices" : [-50.0, 0.0, -50,
                 50.0, 0.0, 0,
                 50.0, 50.0, 0
                ],
  "indices"  : [0,1,2],
  "ambient"  : [0.17,0.19,0.14,1.0],
  "diffuse"  : [0.31,0.61,0.21,1.0]
}