P1: (3, -1, 1.25)
P2: (2, 0, 1)
P3: (1, 0, 1.25)
P4: (1, 2, 0.5)
P5: (0, 3, 0)
P6: (0, 0, 1.5)
P7: (-1, -1, 2.25)
f = Segment(P1, P2)
g = Segment(P2, P3)
h = Segment(P3, P4)
i = Segment(P4, P5)
j = Segment(P5, P6)
k = Segment(P6, P7)
E = Plane(P2, P5, P6)
P8: (0, -1, 2)
P9: (0, -2, 2.5)
P10: (1, -3, 2.5)
P11: (1, -2, 2.25)
l = Segment(P7, P8)
m = Segment(P8, P9)
n = Segment(P9, P10)
p = Segment(P10, P11)
q = Segment(P11, P1)