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The basic form of the "double triangle"

The Double Triangle is not the only nameThis basic form. Another name - "water bomb" - came from a figure from this basic form. The basic form of the "double triangle" has two visible triangular planes. A closed ("blind") angle formed in the center of the original square. There are several ways of folding this basic form, which of the methods is more convenient for you, so use it. Develop, and do not forget about sleep.

The basic form of the "double triangle" scheme origami method 1.2
Basic form of "double triangle" scheme of origami method 3

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