折紙, 摺紙,

尺規作圖,
_______________________
龍船,氣球,紙鶴,鳳凰號,

http://bbs.cool3c.com/article/9209

摺紙鶴教學
http://www.youtube.com/watch?v=wjt9dkNGImA

有篷的龍船 (長方形的紙也可以,)
http://www.jifenzhong.com/video/2082-How-To-Fold-an-Origami-Boat

64.　鋼琴
http://new.060s.com/news/mulu/442/

鳳凰號
http://blog.udn.com/james36524/2707850

飛機展示架
http://www.youtube.com/watch?v=80JxHI63zqA

http://www.esgweb.net/Article/Class138/Class171/ziyi/200903/78630_2.htm

http://tw.myblog.yahoo.com/sung-lu/article?mid=548&prev=550&next=-1