1. Take a square piece of cardboard and fold it in half on both sides.
2. Walk along the diagonal of the small square on both sides, and then fold it into a triangle.
3. Fold it into a square, and fold the top corner down 3cm.
4. Fold inward along the crease and close again.
5. Turn it over and cut it with a knife.
6. Turn the top cover down.
7. Fold both sides towards the middle.
8. Cut through the middle with scissors.
9. Fold in half and turn over.
10. Fold the bow from both sides to the middle.