mid: 583 url: http://fraktali.849pm.com/programs/dxf/SHADES.zip ref_url: ftp://aldebaran.ee.mcgill.ca/pub/dfir/dfir-V2R0.tar.Z format: dxf pid: 27503 polygons: 840 connected_components: 7 average_dihedral_angle: 0.8874 bounding_box: xmin = 0.025, ymin = 0.025, zmin = 0.025, xmax = 0.975, ymax = 0.854915, zmax = 0.423188 avg_depth: 1.155542 center: (0.509331,0.113597,0.208147) scale: 0.635504 principle_axes: (-0.997990,-0.062600,-0.009831), (0.063304,-0.978007,-0.198733), (-0.002826,0.198956,-0.980004) principle_values: (0.083650,0.030925,0.009553)