$ Koostas: Maario \; Lemmik $
$ 8.\; TJ : Ristuvate\; torudega\;  tekkinud\;  kujundi \; tasandid $

$Kasutada\; ka\; peida\; nuppu\; linnukesega$

B = Point(yAxis)
A = (0, -6, 0)
a, c, d, b = Cylinder(A, B, 3)
C = Point(xAxis)
D = Point(xAxis)
e, f, g, h = Cylinder(C, D, 3)
k = IntersectPath(xOyPlane, e)
F, G, H, I = Corner(k)
p = IntersectPath(xOyPlane, a)
J, K, L, M = Corner(p)
N, O, P, Q = Intersect(p, k)
q = IntersectPath(xOyPlane, e)
E, R, S, T = Corner(q)
U = Intersect(zAxis, h, 2)
V = Intersect(zAxis, h, 1)
i = Line(Q, N)
j = Line(P, O)
W = Intersect(i, j)
l = Segment(Q, N)
m = Segment(P, O)
n = Length(l)
o = Length(m)
Z = Intersect(p, k, 1)
A_1 = Intersect(p, k, 1)
B_1 = Intersect(p, k, 1)
C_1 = Intersect(p, k, 1)
D_1 = Intersect(p, k, 1)
E_1 = Intersect(p, k, 1)
F_1 = Point(xAxis)
s = Circle(W, F_1, xOyPlane)
G_1 = Intersect(l, m)
H_1, I_1 = Intersect(m, s)
J_1, K_1 = Intersect(l, s)
r = Ellipse(K_1, J_1, U)
t = Ellipse(H_1, I_1, U)
peida = true
L_1 = Intersect(yAxis, q, 2)
M_1 = Intersect(t, r, 1)
N_1 = Intersect(yAxis, q, 1)
c_1 = Circle(L_1, M_1, N_1)
O_1 = Intersect(p, s, 1)
P_1 = Intersect(p, s, 3)
d_1 = Circle(O_1, M_1, P_1)