Max Bill 的几何构造

GeoGebra 命令及参数

1. Polygon(A, B, 4) → poly1, f, g, h, i, C, D
2. Midpoint(C, B) → E
3. Midpoint(E, B) → F
4. Midpoint(C, E) → G
5. Midpoint(D, A) → H
6. Midpoint(H, A) → I
7. Midpoint(D, H) → J
8. Polygon(D, G, C) → t1, c, d, g_1
9. Dilate(I, 2 / 3, F) → I'
10. Dilate(A, 2 / 3, B) → A'
11. Dilate(H, 2 / 3, E) → H'
12. Dilate(J, 2 / 3, G) → J'
13. Polygon(D, J', G) → t2, g_2, d_1, j'
14. Polygon(J, J', D) → t3, d_2, j, j'_1
15. Polygon(E, J, G) → t4, g_3, e, j_1
16. Polygon(E, H', J) → t5, j_2, e_1, h'
17. Polygon(H', H, J) → t6, j_3, h'_1, h_1
18. Polygon(F, H, E) → t7, e_2, f_1, h_2
19. Polygon(F, I', H) → t8, h_3, f_2, i'
20. Polygon(I', I, H) → t9, h_4, i'_1, i_1
21. Polygon(B, I, F) → t10, f_3, b, i_2
22. Polygon(A', I, B) → t11, b_1, a', i_3
23. Polygon(A', A, I) → t12, i_4, a'_1, a
24. Polygon(G, E, J) → t13, j_4, g_4, e_3
25. Polygon(B, I, F) → t14, f_4, b_2, i_5