mid: 1781 url: http://www.3dcafe.com/models/bridge2.zip ref_url: http://www.3dcafe.com/asp/arch_pic.asp format: 3ds pid: 27817 polygons: 24713 connected_components: 939 average_dihedral_angle: 0.874089 bounding_box: xmin = 0.025, ymin = 0.025, zmin = 0.025, xmax = 0.398695, ymax = 0.190519, zmax = 0.975 avg_depth: 1.982054 center: (0.210026,0.084044,0.493782) scale: 0.576824 principle_axes: (-0.004030,-0.001295,-0.999991), (0.999927,0.011367,-0.004044), (-0.011372,0.999935,-0.001249) principle_values: (0.095040,0.004526,0.001630)