mid: 500 url: http://fraktali.849pm.com/programs/dxf/GLASS1.zip ref_url: ftp://aldebaran.ee.mcgill.ca/pub/dfir/dfir-V2R0.tar.Z format: dxf pid: 27434 polygons: 138 connected_components: 1 average_dihedral_angle: 0.621967 bounding_box: xmin = 0.025, ymin = 0.025, zmin = 0.025, xmax = 0.95964, ymax = 0.896862, zmax = 0.975 avg_depth: 1.081112 center: (0.492320,0.460931,0.399053) scale: 0.912824 principle_axes: (-0.000000,-0.000000,-1.000000), (-0.998167,0.060527,0.000000), (0.060527,0.998167,-0.000000) principle_values: (0.115006,0.053618,0.053194)