A_0 = (3.061616997868383E-16, 5)
A_1 = (-3.9091574123401482, 3.1174490092936677)
A_2 = (-4.874639560909118, -1.1126046697815715)
A_3 = (-2.169418695587791, -4.504844339512095)
A_4 = (2.16941869558779, -4.504844339512096)
A_5 = (4.8746395609091175, -1.1126046697815732)
A_6 = (3.9091574123401496, 3.117449009293667)
a = Segment(A_0, A_1)
b = Segment(A_1, A_2)
c = Segment(A_2, A_3)
d = Segment(A_3, A_4)
e = Segment(A_4, A_5)
f = Segment(A_5, A_6)
g = Segment(A_6, A_0)

Tool: Compas
Choisir un écartement (deux points), puis choisir un centre
Input: A, B, C
Output: c

u = Vector(A, B)
D = Translate(C, u)
c = Circle(C, D)

Tool: partage
donner une valeur à n puis choisir deux points
Input: A, B, n
Output: L'

c = Circle(A, 1)
a = Segment(A, B)
b = OrthogonalLine(A, a)
C = Intersect(c, b, 2)
u = Vector(A, C)
f(x) = x(u) + x
g(x) = y(u) + x
L_x = IterationList(f, x(A), n)
L_y = IterationList(g, y(A), n)
L = Sequence((Element[L_x, i + 1], Element[L_y, i + 1]), i, 1, n)
D_0 = Line(B, Element[L, n])
D = Sequence(Line[Element[L, i], D_0], i, 1, n)
L' = Sequence(Intersect[a, Element[D, i]], i, 1, n)