mid: 831 url: http://www.3dcafe.com/models/sofa3.zip ref_url: http://www.3dcafe.com/asp/hou3_pic.asp format: dxf pid: 28180 polygons: 900 connected_components: 3 average_dihedral_angle: 1.14519 bounding_box: xmin = 0.025, ymin = 0.025, zmin = 0.025, xmax = 0.975, ymax = 0.423234, zmax = 0.389547 avg_depth: 1.733401 center: (0.500300,0.214006,0.232366) scale: 0.578364 principle_axes: (0.999998,0.001077,0.001516), (-0.001840,0.452559,0.891733), (0.000275,-0.891734,0.452560) principle_values: (0.081819,0.013034,0.005065)