单位八面体

GeoGebra 命令及参数

1. Point(xAxis) → A_1
2. Point(yAxis) → A_2
3. Point(zAxis) → A_3
4. Polygon(A_1, A_2, A_3) → poly1, c, a, b
5. Point(xAxis) → Z_1
6. Polygon(A_3, A_2, Z_1) → poly2, d, c_1, b_1
7. Point(yAxis) → Z_2
8. Polygon(A_3, Z_1, Z_2) → poly3, e, c_2, d_1
9. Point(b) → Z_4
10. Polygon(A_3, Z_2, Z_4) → poly4, f, c_3, e_1
11. Point(zAxis) → Z_3
12. Polygon(A_2, Z_3, Z_4) → poly5, f_1, b_2, g
13. Polygon(Z_3, Z_4, Z_2) → poly6, e_2, g_1, f_2
14. Polygon(Z_3, Z_2, Z_1) → poly7, d_2, g_2, e_3
15. Polygon(Z_1, A_2, Z_3) → poly8, g_3, d_3, b_3
16. Point(b_2) → H_1
17. Point(c_3) → H_2
18. Point(d_1) → H_3
19. Point(b_1) → H_4
20. Point(c_1) → H_5
21. Point(f_1) → H_6
22. Polygon(H_1, H_2, H_3, H_4, H_5, H_6, H_1) → H, h, i, j, k, l, m, n