Biplane

We often throw a paper plane made by important conference paper when frustrating.
But this paper biplane dosen't fly.
And this too difficult to complete the model.
So if you fold this plane when frustrating , you will be more frustrating.
However , I like this paper plane.

--- Biplane ---

The difficulty	:	******
Time to fold	:	3 hours
Paper info	:	30cm * 30cm (Not cut anywhere)
Reference page	:	http://dev.origami.com/diagram.cfm PDF http://dev.origami.com/images_pdf/biplane.pdf