{
  "vertices" : [-50, -50, 0,
                 50, -50, 0,
                 50,  50, 0,
                -50,  50, 0],
  "texcoords" : [0,0,1,0,1,1,0,1],
  "indices"  : [0,1,2,0,2,3],
  "ambient"  : [0.17,0.19,0.14,1.0],
  "diffuse"  : [0.71,0.31,0.31,1.0]
}