A = (0, 3)
B = (4, 3)
C = (4, -1)
D = (0, -1)
E = (8, 3)
F = (8, -1)
G = (0, -5)
H = (4, -5)
I = (8, -5)
q1, a, e, i, g = Polygon(A, E, I, G)
q2, a_1, b, c, d = Polygon(A, B, C, D)
q3, b_1, e_1, f, c_1 = Polygon(B, E, F, C)
q4, c_2, h, i_1, f_1 = Polygon(C, H, I, F)
q5, d_1, g_1, h_1, c_3 = Polygon(D, G, H, C)
α = 1.239183768915974 rad (slider from 0 to 180°, step 0.017453292519943295)
B' = Rotate(B, α, C)
A' = Rotate(A, α, D)
q6, d_2, c_4, b', a' = Polygon(D, C, B', A')
D' = Rotate(D, α, C)
G' = Rotate(G, α, H)
q7, c_5, d', g', h_2 = Polygon(C, D', G', H)
H' = Rotate(H, α, C)
I' = Rotate(I, α, F)
q8, c_6, h', i', f_2 = Polygon(C, H', I', F)
E' = Rotate(E, α, B)
F' = Rotate(F, α, C)
q9, e', b_2, c_7, f' = Polygon(E', B, C, F')