ply format ascii 1.0 comment Mars model by Paul Bourke element vertex 259200 property float x property float y property float z element face 516960 property list uchar int vertex_indices end_header 15081.5 -3.45644e+06 65.8061 15081 -3.45659e+06 197.422 15078.2 -3.45648e+06 329.009 15075.4 -3.45663e+06 460.597 15071.2 -3.4567e+06 592.148 15065.6 -3.45674e+06 723.653 15059.9 -3.457e+06 855.16 15050.7 -3.45674e+06 986.473 lots of vertices follow 14541.2 3.33642e+06 -698.464 14547.7 3.33663e+06 -571.58 14551.5 3.33649e+06 -444.589 14552.7 3.336e+06 -317.541 14556.9 3.33645e+06 -190.56 14558.7 3.33661e+06 -63.5247 3 0 721 1 3 721 0 720 3 1 722 2 3 722 1 721 3 2 723 3 3 723 2 722 lots of triangular facets follow