How to make a pinwheel origami letter (or menko)

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17th picture of pinwheel origami letter (or menko)

17.

Complete applying the CP of the step #15.

Prepare to move the tip of four flaps following the arrow directions.

18th picture of pinwheel origami letter (or menko)

18.

Move the tip of four flaps so that they touch themselves.

Prepare to flatten the flaps while keep attaching the four flaps.

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