How to make an easy origami submarine

(page 4)

5th picture of easy origami submarine

05.

Apply the vertical "gate-fold" of the step #4 and then unfold.

Prepare to apply four horizontal "valley-folds" and then unfold.

6th picture of easy origami submarine

06.

Apply four horizontal "valley-folds" and then unfold according to the step #5.

Prepare to apply four vertical "valley-folds" and then unfold.