D = (-4, 1)
F = (8, 3)
E = (8, 1)
poly2, f, d, e = Polygon(D, E, F)
g = -0.057796326794896435 (slider from -1.5707963267948966 to 1.5707963267948966, step 0.017)
D' = Rotate(D, g, D)
E' = Rotate(E, g, D)
F' = Rotate(F, g, D)
poly2', f', d', e' = Polygon(D', E', F')
G = (-4, 2)
u = Vector(D, G)
D'' = Translate(D', u)
E'' = Translate(E', u)
F'' = Translate(F', u)
poly2'', f'', d'', e'' = Polygon(D'', E'', F'')