First of all take a rectangular sheet of paper. Now take a corner and fold it across to meet at the corner. Now crease it. Now take another corner and fold it over to the other side and crease again. Now bring in the x as shown so the sides are drawn inside and they form a triangle. Now crease it. Now take one corner of the triangle and bring it to the top. Now crease it. Now do it similar for the other corner. Now fold the bottom piece over and bring it to top. Then fold once again as shown. Now turn over and it's ready for use.
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