How To Make Cool Paper Airplanes Easy. Trim off the top so that the peak of the triangle on the templates is flush with the edge of the paper. As the name suggests, the plane's flight is like a dart, straight and fast over a decent amount of time.
Fold the paper down again. To reduce drag, you need to make sure the folds of your paper airplane are as flat as possible. Trim off the top so that the peak of the triangle on the templates is flush with the edge of the paper.
Bring the slanted edges to the center line.
Bring the slanted edges to the center line. It really is a lot of fun to make simple paper airplanes. The halo is an easy and cool paper airplane to fold that looks amazing, the halo in. However, it has a very symmetric design.