mid: 1683
url: http://www.3dcafe.com/models/billboar.zip
ref_url: http://www.3dcafe.com/asp/arch_pic.asp
format: 3ds 
pid: 27821
polygons: 5896
connected_components: 27
average_dihedral_angle: 0.357724
bounding_box: xmin = 0.025, ymin = 0.025, zmin = 0.025, xmax = 0.970492, ymax = 0.975, zmax = 0.358657
avg_depth: 1.479615
center: (0.494070,0.569190,0.091216)
scale: 0.685278
principle_axes: (1.000000,-0.000592,0.000002), (-0.000592,-0.999615,0.027755), (-0.000014,-0.027755,-0.999615)
principle_values: (0.076586,0.054397,0.002412)