Behind the fan model replaced by a flag How to adjust the position？

igc ex902 Behind the fan model replaced by a flagHow to adjust the position？

http://www.vzkj.com/data/attachment/...t8dzzfhn4n.jpg
http://www.vzkj.com/data/attachment/...7qsml33law.jpg
http://www.vzkj.com/data/attachment/...yiya5ppneb.jpg
http://www.vzkj.com/data/attachment/...o6qdxo4so4.jpg

use 3D Software and adjust the position and save it to MU file, thats it.
Milkshape 3D or 3ds max