It is quality model. Some discusion here. As I mentioned there Falcon has 2500+ greebles and lots of them are complex parts themselfs. With paper there is no cheating - you must do every single one of them manualy:
http://www.zealot.com/threads/star-wars-millenium-falcon-from-shunichi-makino.179906/
Xaero is preparing for Shinuchi Makino Falcon too. He is planing to do it in original studio model 1:21 scale:
http://www.zealot.com/threads/1-21-scale-millennium-falcon-hopefully.179960/page-3#post-1018951
http://www.zealot.com/threads/star-wars-millenium-falcon-from-shunichi-makino.179906/
Xaero is preparing for Shinuchi Makino Falcon too. He is planing to do it in original studio model 1:21 scale:
http://www.zealot.com/threads/1-21-scale-millennium-falcon-hopefully.179960/page-3#post-1018951