mid: 846 url: http://www.3dcafe.com/models/wallunit.zip ref_url: http://www.3dcafe.com/asp/hou3_pic.asp format: xthreexds pid: 28428 polygons: 2098 connected_components: 27 average_dihedral_angle: 0.646439 bounding_box: xmin = 0.025, ymin = 0.025, zmin = 0.025, xmax = 0.551, ymax = 0.975, zmax = 0.267805 avg_depth: 2.328605 center: (0.281737,0.486899,0.152369) scale: 0.625086 principle_axes: (0.025501,-0.999632,0.009273), (0.998815,0.025093,-0.041697), (0.041449,0.010325,0.999087) principle_values: (0.079807,0.026711,0.005513)