mid: 1256
url: ftp://avalon.viewpoint.com/pub/objects/space/spacefit_dxf.zip
ref_url: 
format: dxf 
pid: 47685
polygons: 18363
connected_components: 818
average_dihedral_angle: 0.532715
bounding_box: xmin = 0.025, ymin = 0.025, zmin = 0.025, xmax = 0.477636, ymax = 0.136758, zmax = 0.975
avg_depth: 3.409694
center: (0.250227,0.068197,0.574800)
scale: 0.231059
principle_axes: (0.004011,-0.055044,0.998476), (0.999991,0.001442,-0.003938), (0.001223,-0.998483,-0.055049)
principle_values: (0.014991,0.003696,0.000335)