How to make an origami snake

(page 3)

3rd picture of origami snake

03.

Apply the vertical "mountain-fold" of the step #2 and then unfold.

Prepare to apply a diagonal "valley-fold" in half and then unfold.

4th picture of origami snake

04.

Apply the diagonal "valley-fold" in half of the step #3 and then unfold.

Prepare to apply another diagonal "valley-fold" in half and then unfold.