mid: 281
url: http://www.3dcafe.com/models/turtle4.zip
ref_url: http://www.3dcafe.com/asp/anml_pic.asp
format: dxf 
pid: 27269
polygons: 20198
connected_components: 1
average_dihedral_angle: 0.505913
bounding_box: xmin = 0.025, ymin = 0.025, zmin = 0.025, xmax = 0.975, ymax = 0.77783, zmax = 0.246816
avg_depth: 1.183359
center: (0.509417,0.401393,0.170093)
scale: 0.539326
principle_axes: (0.999746,-0.001432,0.022475), (-0.001430,-0.999999,-0.000102), (-0.022475,-0.000070,0.999747)
principle_values: (0.048881,0.028418,0.003259)