纸卷3D建模

GeoGebra 命令及参数

1. Circle(zAxis, A) → c
2. Point(c) → C
3. Cylinder(c, 2) → a, d, b
4. Circle(B, 5.4, zAxis) → e
5. Circle(B, 4.2, zAxis) → f
6. Polygon(E, A, D, F) → q1, e_1, a_1, d_1, f_1
7. Cylinder(f, 2) → h, k, i
8. Mirror(c, z = 1) → c'
9. Segment(E, A) → j
10. Surface(j, β, zAxis) → l
11. Segment(H, G) → m
12. Surface(m, α - 360°, zAxis) → n
13. Segment(J, I) → p
14. Surface(p, α - 720°, zAxis) → o
15. Segment(L, K) → q
16. Surface(q, α - 1080°, zAxis) → r
17. Segment(N, M) → s
18. Surface(s, α - 1440°, zAxis) → g