How to make a narrow deep origami box

(page 2)

1st picture of narrow deep origami paper box

01.

Let's start with the back side of the paper facing up.

Prepare to apply a horizontal "mountain-fold" and then unfold.

2nd picture of narrow deep origami paper box

02.

Apply the horizontal "mountain-fold" of the step #1 and then unfold.

Prepare to apply a vertical mountain-fold and then unfold.