Whoa.................Tape one side only in the flat...............Bend it toward the tape and cut or sand the relief angles on the back side so it can hinge (bend) both directions.

Go here for good building instructions: http://www.rcuniverse.com/magazine/a...?article_id=75

and also

http://www.verrill.com/rc/ss/

I copied & printed both and keep them beside me to build