mid: 1156
url: http://fraktali.849pm.com/programs/dxf/airplane.zip
ref_url: ftp://aldebaran.ee.mcgill.ca/pub/dfir/dfir-V2R0.tar.Z
format: dxf 
pid: 27828
polygons: 2472
connected_components: 7
average_dihedral_angle: 0.156214
bounding_box: xmin = 0.025, ymin = 0.025, zmin = 0.025, xmax = 0.975, ymax = 0.21293, zmax = 0.832103
avg_depth: 1.533518
center: (0.499999,0.076647,0.438561)
scale: 0.430627
principle_axes: (-0.000001,-0.085484,0.996340), (-1.000000,0.000000,-0.000001), (0.000000,-0.996340,-0.085484)
principle_values: (0.031175,0.024606,0.001110)