t = 1 (slider from 0 to 6, step 0.2)
B: (5, -2)
C: (3, 3)
A: (-1 + t, -3 + t)
D = (-5, -1)
poly1, f, g, h, i = Polygon(A, B, C, D)
E = Midpoint(f)
F = Midpoint(g)
G = Midpoint(h)
H = Midpoint(i)
q1, e, f_1, g_1, h_1 = Polygon(E, F, G, H)