A = (-1, 3)
B = (4, 1)
a = Line(A, B)
P = (0, 2.6)
P' = (0, 0)
u = Vector(P, P')
b = Line(P', a)
v = Vector(P', P)
M: {{0.7241379310344828, -0.6896551724137931}, {-0.6896551724137931, -0.7241379310344828}}
C = (1, 3)
D = (2.0771975064524444, 3.509045288985514)
E = (2.4380174507899826, 2.3643751207422885)
Vieleck1, e, c, d = Polygon(C, D, E)
C' = Translate(C, u)
D' = Translate(D, u)
E' = Translate(E, u)
Vieleck1', e', c', d' = Polygon(C', D', E')
C'' = Mirror(C', b)
D'' = Mirror(D', b)
E'' = Mirror(E', b)
Vieleck1'', e'', c'', d'' = Polygon(C'', D'', E'')
C''' = Translate(C'', v)
D''' = Translate(D'', v)
E''' = Translate(E'', v)
Vieleck1''', e''', c''', d''' = Polygon(C''', D''', E''')
Matrix1: M * Polygon[C, D, E]