Bird Origami Paper Folding Fold up. Fold back. ● Valley fold (dashed line) ● Mountain fold (dashed-dotted line) Tips 1 4 2 3 6 5 1 Cut the paper as quadrate. Make valley and mountain creases. Fold to bring the matching circle points together. 2 Fold both edges and then the top corner into the center. After making this shape, unfold it. 3 Open only the top layer and fold along the lines as shown. 4 After making this shape, repeat step 3 on the reverse.