mid: 1304
url: http://www.ocnus.com/models/DXF/chopper.wrl.gz
ref_url: http://www.ocnus.com/models/DXF/
format: wrl 
pid: 17725
polygons: 2094
connected_components: 11
average_dihedral_angle: 0.497587
bounding_box: xmin = 0.025, ymin = 0.025, zmin = 0.025, xmax = 0.266506, ymax = 0.373271, zmax = 0.975
avg_depth: 1.155207
center: (0.142489,0.223610,0.545767)
scale: 0.433099
principle_axes: (0.014169,-0.181867,0.983221), (-0.019838,-0.983177,-0.181573), (-0.999703,0.016932,0.017538)
principle_values: (0.045239,0.008971,0.003429)