A piece of 15*15cm colored paper, folded in half as shown.
Fold the front and back sides downward to form a triangle.
Fold another triangle on both sides as shown.
Fold out the triangle in the middle of the picture.
Fold it as shown in the picture.
Fold a triangle inward as shown.
Fold the triangle outwards, and then fold a small triangle inward at the top of the picture.
Fold up along the middle crease and fold the tail out.
Fold it as shown in the picture.
Adhere the eyes and the cute little dolphin is ready.