Hello everybody,
Here is the wide collection of foamboard building techniques pioneered by Ed at experimental airlines. They are very simple and easy to make.
http://experimentalairlines.com/?page_id=5 (http://experimentalairlines.com/?page_id=5)
Most notably, the armin wing :http://experimentalairlines.com/?page_id=32 (http://experimentalairlines.com/?page_id=32)
I suppose this will be useful.