A = (1, 1)
B = (12.822003187674973, 1.0248458625504069)
C = (12.174172564176878, 9.698578099386003)
D = (0.4052495706281646, 10.418389903272775)
poly1, a, b, c, d = Polygon(A, B, C, D)
E = Point(a)
F = Point(b)
e = Line(E, F)
e' = Mirror(e, b)
G = Intersect(e', d)
e'' = Mirror(e', d)
H = Intersect(e'', b)
e''' = Mirror(e'', b)