Hi all!
From Germany there is a new open source kite.
It is from Birger Garbe, also the disgner of the End Of Line (EOL).
The [Return] has roughly the same size, but a deeper backflip and bit better in the tricks.
Check it out on Carlo's site:
http://www.kareloh.com/kite-plans/return/
http://www.kareloh.com/kite-plans/return/return-plan/
Krijn