mid: 598 url: http://fraktali.849pm.com/programs/dxf/UHR.zip ref_url: ftp://aldebaran.ee.mcgill.ca/pub/dfir/dfir-V2R0.tar.Z format: dxf pid: 27377 polygons: 1148 connected_components: 49 average_dihedral_angle: 0.86394 bounding_box: xmin = 0.025, ymin = 0.025, zmin = 0.025, xmax = 0.688575, ymax = 0.474289, zmax = 0.975 avg_depth: 1.925873 center: (0.368708,0.239941,0.493184) scale: 0.773188 principle_axes: (-0.203668,0.001031,0.979040), (-0.979030,0.004227,-0.203670), (0.004348,0.999991,-0.000149) principle_values: (0.105573,0.043950,0.005964)