1. Prepare 2 paper in different colors

2. Fold it follow the dashed-line to abut at the center of paper

3. Fold down follow the dashed-line

4. Fold it again follow the dashed-line and spread out

5. Fold the tips on both sides of the first one to each way

6. Fold the tips of the second to the opposite way of the first one’s

7. Fold the angles follow the dashed-line

8. Turn and lay the paper like the model

9. The first one is overlapped by the second one and insert the tip of the first one into the gap

10. Turn over and insert the tip of the second one into the gap

11. Finish