My friend Joachim P., taking some inspiration from the cardboard quad, decided to build a paper tri-copter. Using a pretty ingenious tail tilt mount, his Tri-copter comes in at 357g fully loaded. It also costs around 130$ (sans transmitter.) Of course, he’s using a gyro only board (the KKmicrocopter controller), so one could probably get a lot more stability with 6DOF or 9DOF board, but I’m impressed none the less.
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