How to make a flat open-square origami box

(page 5)

7th picture of flat open-square origami paper box

07.

Apply the vertical "valley-fold" of the step #6 and then unfold.

Prepare to work on one corner by applying the crease pattern (CP) shown on the left.

8th picture of flat open-square origami paper box

08.

Apply the CP of the step #7.

Here we concentrate only on one corner.

Let's zoom in on the region encircled with a dotted circle.

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