Now fold the tip down about 1/2 an inch from the button of the corners as shown. Fold the plane in half. Nows the part were you need to pay attention. To fold the wings perfect, witch gives this plane its signature performance. At the front measure up 3/4" and mark it. Then at the back measure up 1 1/4" from the bottom. Don worry if your confused I have a detailed picture.Now fold this angle. Now all you have to do is give it a flame job and your done. Experiment with adding weight as needed, but i think its fine like it is! The embed video didnt work so heres the link.
If any one is in to WWI aircraft heres a opposite where A can print out designs to make 3D Flying Paper Models.
. I have a picture below of one.