How to make a 2D origami tank

(page 8)

13th picture of 2D origami tank

13.

Cut the paper along the dotted line of the step #12.

Prepare to work on 1/4 of the paper.

14th picture of 2D origami tank

14.

Let's work on 1/4 of the square paper.

Prepare to apply a vertical mountain-fold.

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