mid: 1330
url: http://ciel.me.cmu.edu/soji/aircraft/ah1.wrl
ref_url: http://ciel.me.cmu.edu/soji/aircraft/aircrafte.html
format: wrl 
pid: 867
polygons: 578
connected_components: 9
average_dihedral_angle: 0.80108
bounding_box: xmin = 0.025, ymin = 0.025, zmin = 0.025, xmax = 0.222571, ymax = 0.251327, zmax = 0.975
avg_depth: 1.133653
center: (0.123506,0.134541,0.476125)
scale: 0.385487
principle_axes: (0.020681,-0.003356,-0.999780), (0.003122,-0.999989,0.003421), (0.999781,0.003192,0.020671)
principle_values: (0.043557,0.004608,0.000838)