Liigutades punkti F mööda ringjoont c moodustub ellips.

C = (6.62, 1.62)
c = Circle(C, 4.32411840725945)
d = Circle(C, 1)
A = Point(c)
B = Point(c)
f = Segment(A, B)
g = OrthogonalLine(C, f)
D = Intersect(c, g, 2)
E = Intersect(c, g, 1)
h = Segment(D, E)
F = Point(c)
i = Segment(C, F)
j = OrthogonalLine(F, f)
G = Intersect(j, f)
k = Segment(F, G)
H = Intersect(d, i, 1)
l = OrthogonalLine(H, k)
I = Intersect(l, k)
m = Segment(H, I)