Α = Point(zAxis)
Β = Point(xAxis)
Δ = Intersect(yAxis, xAxis)
Ε = Point(zAxis)
a, c, b = Cone(Δ, Ε, 3)
Ζ = Point(yAxis)
p = Plane(Α, Β, Ζ)
d = IntersectPath(p, a)
Γ, Η, Θ, Ι = Corner(d)
b' = Mirror(b, Ε)