A = (-0.66, 1.02)
B = (0.46, 0.38)
C = (2.4, 2.12)
O = (0.56, 2.36)
a = Line(A, O)
b = Line(B, O)
c = Line(C, O)
ab = Segment(A, B)
bc = Segment(B, C)
A' = Point(a)
ca' = Segment(C, A')
g = Line(A', ab)
B' = Intersect(b, g)
h = Line(B', bc)
C' = Intersect(c, h)
i = Line(C', ca')