How to make a 4x1x1 origami box

(page 11)

19th picture of long rectangular origami paper box

19.

Complete inserting the #2 flap into the #1 pocket according to the step #17.

Prepare to insert the #2 flap into the #1 pocket.

20th picture of long rectangular origami paper box

20.

Start inserting the #2 flap into the #1 pocket according to the step #19.

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