1. Fold down follow the dashed-line and spread out

2. Fold it follow the dashed-line on 2 sides to abut at the center

3. Fold it follow the dashed-line to abut at the center

4. Spread the inner part out to be the trapezium shapeู

5. Fold the lower-part follow the dashed-line to abut at the center as the third step

6. Spread the inner out as the fourth step

7. Fold the top part to the back to become the 2 boats

8. Finish