How to make a long rectangular origami box

(page 6)

9th picture of long rectangular origami paper box

09.

Turn the paper over.

Prepare to apply a vertical "valley-fold" .

10th picture of long rectangular origami paper box

10.

Apply the vertical "valley-fold" of the step #9.

Prepare to apply four "valley-folds" .

1 2 3 4 5 6 7 8 9 10

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