棱柱中孔洞的表示方法：四分之一棋子模型

GeoGebra 命令及参数

1. Polygon(A, B, C, D) → q1, a, b, c, d
2. Polygon(I, A, D, H) → q2, i, a_1, d_1, h
3. Polygon(I, A, B, F) → q3, i_1, a_2, b_1, f
4. Polygon(D, H, G, C) → q4, d_2, h_1, g, c_1
5. Polygon(B, C, G, F) → q5, b_2, c_2, g_1, f_1
6. Prism(q3, j) → k, M, edgeIM, edgeAN, edgeBO, edgeFP, edgeMN, edgeNO, edgeOP, edgeMP, N, O, P, faceAIMN, faceABON, faceBFPO, faceFIMP, faceMNOP
7. Prism(q2, l) → m, Q, edgeIQ, edgeAR, edgeDS, edgeHT, edgeQR, edgeRS, edgeST, edgeQT, R, S, T, faceAIQR, faceADSR, faceDHTS, faceHIQT, faceQRST
8. Prism(q4, n) → o, U, edgeDU, edgeHV, edgeGW, edgeCZ, edgeUV, edgeVW, edgeWZ, edgeUZ, V, W, Z, faceDHVU, faceGHVW, faceCGWZ, faceCDUZ, faceUVWZ
9. Prism(q5, p) → q, A_1, edge1, edge2, edge4, edge3, edge5, edge7, edge8, edge6, B_1, C_1, D_1, face1, face3, face4, face2, face5
10. Polygon(W, G, H, V) → q6, w, g_2, h_2, v
11. Polygon(V, H, I, Q) → q7, v_1, h_3, i_2, q_1
12. Polygon(Q, I, F, P) → q8, q_2, i_3, f_2, p_1
13. Polygon(P, W, G, F) → q9, p_2, w_1, g_3, f_3
14. Polygon(A, R, U, D) → q10, a_3, r, u, d_3
15. Polygon(U, Z, C, D) → q11, u_1, z_1, c_3, d_4
16. Polygon(Z, O, B, C) → q12, z_2, o_1, b_3, c_4
17. Polygon(O, R, A, B) → q13, o_2, r_1, a_4, b_4
18. Polygon(P, O, Z, W) → q14, p_3, o_3, z_3, w_2
19. Polygon(P, O, R, Q) → q15, p_4, o_4, r_2, q_3
20. Polygon(R, Q, V, U) → q16, r_3, q_4, v_2, u_2
21. Polygon(Z, U, V, W) → q17, z_4, u_3, v_3, w_3
22. Polygon(G, C, D, H) → q18, g_4, c_5, d_5, h_4
23. Polygon(G, C, B, F) → q19, g_5, c_6, b_5, f_4
24. Polygon(D, H, I, A) → q20, d_6, h_5, i_4, a_5
25. Polygon(B, A, I, F) → q21, b_6, a_6, i_5, f_5