t = 0 (slider from 0 to (5 * d), step 0.01)
A = Intersect(xAxis, zAxis)
B: (0, 0, 8)
d = Segment(A, B)
e = Line(B, xAxis)
D: (0, 0, t / 5)
f = Line(B, xAxis)
h = Segment(A, D)
b, C_2, b_3 = Cone(B, A, 3)
g = Line(D, xAxis)
C_1, E = Intersect(g, b_3)
r = Segment(D, E)
j = Line(B, xAxis)
F, G = Intersect(j, C_2)
C = Intersect(j, C_2, 1)
k = Segment(B, C)
I = Intersect(yAxis, h)
a, c, l = Cone(D, I, r)