Material preparation: paper, pencil and scissors.
Operating steps:
1, prepare a square piece of red paper first.
2. Then fold it diagonally.
3. Then fold the right corner to the left.
4. Fold the left corner to the right.
5. Then fold it in half along the middle vertical line.
6. Then draw the shape you want to cut with lead.
7. Then use scissors to cut out the pattern along the drawn picture.
8. Finally, open the pattern that has just been cut, and beautiful axisymmetric handwork will be done.