α = 2.0420352248333655 rad (slider from 0 to 180°, step 0.017453292519943295)
β = 1.5707963267948966 rad (slider from 0° to 90°, step 0.017453292519943295)
Lüke = 4 (slider from 0 to 4, step 0.1)
A = (3, 5)
B = (7, 5)
C = (5, 7)
t1, c, a, b = Polygon(A, B, C)
hulknurk1, f, g, h, i, D, E = Polygon(B, A, 4)
hulknurk3, n, p, q, r, H, I = Polygon(A, C, 4)
I' = Rotate(I, α, A)
H' = Rotate(H, α, A)
hulknurk2, j, k, l, m, F, G = Polygon(C, B, 4)
G' = Rotate(G, (-α), B)
F' = Rotate(F, (-α), B)
s = Segment(H, A)
t = Segment(G, B)
H'_{1} = Rotate(H, (-β), A)
C' = Rotate(C, (-β), A)
C'_{1} = Rotate(C, (-β), B)
G'_{1} = Rotate(G, (-β), B)
t2, i', a_1, h' = Polygon(A, H', I')
t3, f', b_1, g' = Polygon(B, G', F')
t4, h'_{1}, a_2, c' = Polygon(A, C', H'_{1})
t5, g'_{1}, b_2, c'_{1} = Polygon(B, C'_{1}, G'_{1})
B' = Translate(B, ((-Lüke), (-Lüke)))
J = Translate(C'_{1}, ((-Lüke), (-Lüke)))
K = Translate(G'_{1}, ((-Lüke), (-Lüke)))
t5', k_1, b', j_1 = Polygon(B', J, K)