How to make a tallest square origami box

(page 2)

1st picture of tall square origami paper box II

01.

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

Prepare to "mountain-fold" in half horizontally and then unfold.

2nd picture of tall square origami paper box II

02.

Mountain-fold in half horizontally according to the step #1 and then unfold.

Prepare to "mountain-fold" in half vertically and then unfold.