A = (-1.2945124166497735, 2.685440046122487, 0)
B = Point(yAxis)
C = Point(xAxis)
t1, c, a, b = Polygon(A, B, C)
D = Point(zAxis)
d, faceABD, faceBCD, faceACD, arêteAD, arêteBD, arêteCD = Pyramid(t1, D)
f = Line(D, c)
g = Line(B, arêteAD)
N = Intersect(f, g)
h = Segment(D, N)
i = Segment(N, B)
j = Line(D, b)
k = Line(C, arêteAD)
P = Intersect(k, j)
l = Segment(D, P)
m = Segment(P, C)
n = Line(B, b)
p = Line(C, c)
M = Intersect(p, n)
q = Segment(C, M)
r = Segment(M, B)
s = Line(D, M)
t = Line(C, N)
e = Line(B, P)