B: (5, 0, 0)
C: (5, 5, 0)
D: (0, 5, 0)
A: (0, 0, 0)
S: (2.5, 2.5, 3)
f = Segment(B, C)
g = Segment(C, D)
h = Segment(D, A)
i = Segment(A, B)
j = Segment(B, S)
k = Segment(C, S)
l = Segment(D, S)
m = Segment(A, S)
F_{1}: (2.5, 2.5, 0)
n = Segment(S, F_{1})
L = Midpoint(B, S)
M = Midpoint(B, L)
K = Midpoint(L, S)
I = Midpoint(C, S)
J = Midpoint(I, S)
H = Midpoint(C, I)
F = Midpoint(B, C)
E = Midpoint(B, F)
G = Midpoint(F, C)
p = Segment(K, G)
q = Segment(L, F)
r = Segment(M, E)
s = Segment(H, G)
t = Segment(I, F)
a = Segment(J, E)
N = Intersect(q, a)
Q = Intersect(p, a)
P = Intersect(t, p)
O: (0, 0, 0)