Alexander Graham Bell used tetrahedral kites in the early 1900s to disprove the theory that size detrimentally effected a flying machine's ability to get off the ground. This Instructable will show you how to make your own tetrahedral kite using bendable drinking straws and Tyvek. It's similar in it...
Looks like it could be fun to build and fly http://www.instructables.com/id/Bell-Tetrahedral-Kite/ Bell Tetrahedral Kite Alexander Graham Bell used tetrahedral...