Add example models

Models/example2.obj

+# Blender v2.69 (sub 0) OBJ File: ''
+# www.blender.org
+v 0.877715 -0.568530 -0.464041
+v 1.314814 -1.194994 0.379894
+v -0.886739 -0.323640 0.860852
+v 0.741782 0.909844 -0.528060
+v -1.000000 1.000000 -1.000000
+v 0.804398 1.444482 -0.397852
+v 0.782535 -0.301549 0.220649
+v 1.157407 -0.256471 0.984679
+v -1.000000 1.000000 1.000000
+v -1.000000 -1.000000 -1.000000
+v -0.943369 -0.470393 -0.193748
+v 0.999999 1.000000 1.000001
+v 0.935445 1.055922 0.560532
+v 0.656316 1.386043 0.422136
+v 0.135371 0.642055 0.216605
+v -0.210546 1.207070 0.030438
+v 1.264029 0.337956 0.419317
+v -0.588636 -0.348359 -1.661990
+v -0.018046 0.303282 -2.323980
+v 0.387978 1.207070 0.287410
+v 0.312633 1.772086 -0.155728
+v 0.870891 0.954922 0.235970
+v 0.903340 0.932383 -0.193018
+s off
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