Z = (3, 1)
z = Vector(Z, (0.0, 0.0))
A: Z + z
B = (2, 3)
C = (4, 3)
D = (4, 1)
Vieleck1, d, b, c = Polygon(B, C, D)
M: {{0.8660254037844387, -0.49999999999999994}, {0.49999999999999994, 0.8660254037844387}}
C': C + z
B': B + z
D': D + z
Vieleck2, d', b', c' = Polygon(B', C', D')
C'': M * C'
D'': M * D'
B'': M * B'
Vieleck3, d'', b'', c'' = Polygon(B'', C'', D'')
C''': C'' - z
B''': B'' - z
D''': D'' - z
Vieleck4, b''', c''', d''' = Polygon(C''', D''', B''')