mid: 517
url: http://www.ocnus.com/models/Household/mailbox.wrl.gz
ref_url: http://www.ocnus.com/models/Household/
format: wrl 
pid: 17808
polygons: 112
connected_components: 7
average_dihedral_angle: 1.4784
bounding_box: xmin = 0.025, ymin = 0.025, zmin = 0.025, xmax = 0.394445, ymax = 0.975, zmax = 0.132667
avg_depth: 1.526951
center: (0.195506,0.648015,0.078386)
scale: 0.389705
principle_axes: (-0.174680,0.984624,0.001535), (0.984621,0.174684,-0.002661), (0.002889,-0.001047,0.999995)
principle_values: (0.048015,0.006544,0.000844)