mid: 1421
url: http://www.rccad.com/Gallery/Vrml/tank.wrl
ref_url: 
format: wrl 
pid: 46928
polygons: 4188
connected_components: 42
average_dihedral_angle: 0.550271
bounding_box: xmin = 0.025, ymin = 0.025, zmin = 0.025, xmax = 0.975, ymax = 0.613077, zmax = 0.563567
avg_depth: 1.939693
center: (0.496933,0.319444,0.197592)
scale: 0.609274
principle_axes: (-0.999500,-0.002193,-0.031541), (-0.002194,0.999998,0.000003), (-0.031541,-0.000072,0.999502)
principle_values: (0.061438,0.033304,0.007651)