mid: 1028
url: http://www.3dcafe.com/models/cactus.zip
ref_url: http://www.3dcafe.com/asp/plt_pics.asp
format: xthreexds 
pid: 29071
polygons: 12840
connected_components: 1602
average_dihedral_angle: 0.9071
bounding_box: xmin = 0.025, ymin = 0.025, zmin = 0.025, xmax = 0.862012, ymax = 0.975, zmax = 0.853213
avg_depth: 1.682685
center: (0.447394,0.526904,0.439673)
scale: 0.671056
principle_axes: (-0.012402,0.999913,-0.004461), (-0.996239,-0.011973,0.085813), (-0.085752,-0.005508,-0.996301)
principle_values: (0.066015,0.027381,0.024934)