A = (0, 1)
B = (1, 0)
C = (1.86, 1.16)
t = 0.2 (slider from 0 to 1, step 0.05)
G1 = Dilate(A, 1 - t, B)
G2 = Dilate(B, 1 - t, C)
M = Dilate(G1, 1 - t, G2)