截角四面体

GeoGebra 命令及参数

1. Polygon(A, B, 3, xOyPlane) → poly1, g, h, i, C
2. Tetrahedron(poly1, true) → a, D, faceACD, faceABD, faceBCD, edgeAD, edgeCD, edgeBD
3. Distance(B, D) → b
4. Sphere(D, b / 3) → c
5. Sphere(B, b / 3) → d
6. Sphere(C, b / 3) → e
7. Sphere(A, b / 3) → j
8. Intersect(edgeAD, c, 1) → E
9. Intersect(edgeBD, c, 1) → F
10. Intersect(edgeCD, c, 1) → G
11. Intersect(edgeCD, e, 1) → H
12. Intersect(i, e, 1) → I
13. Intersect(i, j, 1) → J
14. Intersect(h, d, 1) → K
15. Intersect(g, d, 1) → L
16. Intersect(edgeBD, d, 1) → M
17. Intersect(g, j, 1) → N
18. Intersect(edgeAD, j, 1) → O
19. Intersect(h, e, 1) → P
20. Polygon(H, P, I) → t1, i_1, h_1, p
21. Polygon(M, L, K) → t2, k, m, l
22. Polygon(J, N, O) → t3, o, j_1, n
23. Polygon(E, O, N, L, M, F) → poly2, e_2, o_1, n_1, l_1, m_1, f_1
24. Polygon(F, M, K, P, H, G) → poly3, f_2, m_2, k_1, p_1, h_2, g_2
25. Polygon(G, H, I, J, O, E) → poly4, g_3, h_3, i_2, j_2, o_2, e_3
26. Polygon(I, P, K, L, N, J) → poly5, i_3, p_2, k_2, l_2, n_2, j_3
27. Polygon(G, E, F) → t4, f, g_1, e_1