How to make an origami catamaran boat

(page 3)

3rd picture of origami catamaran boat

03.

Apply the horizontal "gate-fold" of the step #2.

Prepare to apply four valley-folds.

4th picture of origami catamaran boat

04.

Apply four valley-folds of the step #3.

Prepare to unfold all four valley-folds that you have just applied.

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