Paper square figure 1, plate, fold, and then spread it out, and then another half fold and then spread out and then folded paper on one side toward the center, then back to the paper, so that we flip on the bottom and fold it toward the center is a triangle when you are finished, and then turn it upside down on the paper after the flip side to come to Center on both sides is complete, there will be a square is a two-channel at the top, fold the two sides after the triangle, fold down the top, and then flip a triangle shaped both sides