mid: 1780
url: http://www.ocnus.com/models/DXF/harbor_bridge.wrl.gz
ref_url: http://www.ocnus.com/models/DXF/
format: wrl 
pid: 17736
polygons: 23394
connected_components: 1037
average_dihedral_angle: 0.778814
bounding_box: xmin = 0.025, ymin = 0.025, zmin = 0.025, xmax = 0.847008, ymax = 0.975, zmax = 0.228219
avg_depth: 1.982054
center: (0.436798,0.507578,0.129558)
scale: 0.555290
principle_axes: (0.580229,0.811360,0.070912), (0.814373,-0.576747,-0.064490), (-0.011426,0.095168,-0.995396)
principle_values: (0.087195,0.004277,0.001534)