A: (0, 1, 2)
B: (0, 3, -4)
C = (0, 2, 5)
E = Point(yAxis)
f = Segment(A, E)
F: (0, 0, 2)
g = Segment(A, F)
H = Point(yAxis)
h = Segment(B, H)
I = Point(h)
i = Segment(H, I)
J: (0, 2, 0)
j = Segment(C, J)
G = Point(zAxis)
k = Segment(G, C)
YZ: x = 0
K: (0, 0, -4)
l = Segment(I, K)