O = (6, 4)
A = (5.32, 5.64)
B = (4.12, 4.16)
C = (6.4, 4.3)
D = (10.14, 4.42)
q1, a, b, c, d = Polygon(A, B, C, D)
k = 3.025 (slider from 0 to 5)
f = Ray(O, A)
g = Segment(O, A)
e = Circle(O, (k * g))
A' = Intersect(e, f)
h = Ray(O, B)
i = Segment(O, B)
p = Circle(O, (k * i))
B' = Intersect(p, h)
j = Ray(O, C)
l = Segment(O, C)
q = Circle(O, (k * l))
C' = Intersect(q, j)
m = Ray(O, D)
n = Segment(O, D)
r = Circle(O, (k * n))
D' = Intersect(r, m)
q2, a', b', c', d' = Polygon(A', B', C', D')
α = Angle(D', A', B')
β = Angle(A', B', C')
γ = Angle(B', C', D')
δ = Angle(C', D', A')
ε = Angle(D, A, B)
ζ = Angle(A, B, C)
η = Angle(B, C, D)
θ = Angle(C, D, A)
A'B = Distance(A', B)
A'B' = Distance(A', B')