Production method:
1. Prepare a proper amount of square colored paper and draw circles of the same size on it.
2. Cut this round paper with scissors.
Take a piece of colored paper and fold it into a cross.
4. Cut a center line of the circle.
5. Turn around and stick to another center line.
6. The remaining semicircle turns in the opposite direction and sticks to the center line.
7. Make the rest of the paper into the same shape.
8. Glue them together to make an open flower.