Flying origami crane.

Step 6 Quartering.

Once you have both sides folded into neat little squares, place it so that the open end is facing you. Proceed by folding the edges into the middle, they can't go any further. Repeat for all four sides. Now, take the top portion, the little hat like thing, and fold that down. I hope that you're still creating incredible creases, because they will make your life increasingly easier from here on out.