1. Take out the cardboard and draw six rectangles of the same size on it to make the smallest petals.
2. Cut out the rectangular paper and erase the pencil marks with an eraser.
3. Cut one end into an arc. If you are afraid of not cutting well, you can make a template first.
4. Roll the cut petals on a pencil.
5. In addition, cut a round piece of paper from the cardboard and stick it in the middle.
6. First, put three petals upright.
7. Paste 3 petals in the same way. Next, you need to make a bigger petal, as above, and paste it on the outer layer.
8. Paste layer by layer like this until the pattern is full enough and the production is completed.