How to make a four-pointed easy embossed origami paper star

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11.

Apply the valley-folds of the step #10.

Prepare for three valley-folds and one mountain-fold.

I defined a varible called epsilon as the ratio of the upper height to the total height.

In this example, I am using the epsilon of 1/4 but you can use other value like 1/5 or 1/3.

12.

Apply the mountain-fold of the step #11 first.

Then apply the three valley-folds.

These set of folds are known as "outside reverse fold" in origami.

Prepare to open the paper.

12B.

This is what you get when you apply the cp of the step #11.

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