How to fold a Nakamura Knot paper airplane

This paper airplane has got to be one of the best airplanes of all time. It's called the Nakamura Knot for theknot in the center of the plane that keeps the airplane well-balanced. However, these airplanes take a couple good trials to get right. Once you've constructed it correctly, it should be a straight, even-flying plane. With trial and error, some of your airplanes might do flips, fly in circles, or come back and poke you in the eye, but luckily this airplane doesn't have a sharp tip. Watch this video origami tutorial and learn how to fold a Nakamura Knot paper airplane.