基于圆与镜像的样条曲线装饰

GeoGebra 命令及参数

1. Point(xAxis) → P
2. Spline(l1, 3) → a
3. Line(P, O_1) → f
4. Mirror(a, f) → a'
5. Spline(l2, 3) → b
6. Mirror(b, f) → b'
7. Spline(l3, 3) → c
8. Mirror(c, f) → c'
9. Sequence(Rotate[b, i, P], i, 0, (2 * π), (2 * π / n)) → l4
10. Sequence(Rotate[b', i, P], i, 0, (2 * π), (2 * π / n)) → l5
11. Sequence(Rotate[c, i, P], i, 0, (2 * π), (2 * π / n)) → l6
12. Sequence(Rotate[c', i, P], i, 0, (2 * π), (2 * π / n)) → l7
13. Sequence(Rotate[a, i, P], i, 0, (2 * π), (2 * π / n)) → l8
14. Sequence(Rotate[a', i, P], i, 0, (2 * π), (2 * π / n)) → l9
15. Circle(P, O_1) → d
16. Segment(P, O_1) → g
17. Mirror(c, g) → c'_{1}
18. Mirror(a, g) → a'_{1}
19. Mirror(b, g) → b'_{1}
20. Circle(P, O_1) → e