1. Prepare a colored paper.

2. Fold this paper in a triangular shape.

3. Fold it in half. (just for making a central point)

4. Unfold it.

5. Fold up the corner of triangle to the central point.

6. Fold the left side along the line.

7. Fold the other side in a same way.

8. Turn it over.

9. Put your finger into the triangle. And make it square shape.

10. Fold the other side in a same way.

11. Fold every corner slightly.(except the bottom edge)

12. Turn it over.