AEA Cygnet
The Cygnet (or Aerodrome #5) was an extremely unorthodox early Canadian aircraft, with a wall-like "wing" made up of 3,393 tetrahedral cells. It was a powered version of the Cygnet tetrahedral kite designed by Dr Alexander Graham Bell in 1907 and built by the newly-founded Aerial Experiment Association.
Read more about AEA Cygnet: Design and Development, Operational History, Specifications (Cygnet III)