h = 6.43 (slider from 0 to 10.5, step 0.01)
B = Point(xAxis)
A = Intersect(xAxis, yAxis)
J: (x(A), h + y(A))
C: (21, 29.7)
D = Point(yAxis)
poly1, a, b, c, d = Polygon(A, B, C, D)
F: (h + x(D), y(D))
G: (h + x(D), (-h) + y(D))
H: (x(D), (-h) + y(D))
poly2, e, f, g, i = Polygon(D, F, G, H)
I: (x(J) + h, y(J))
E: (x(A) + h, y(A))
poly3, a_1, e_1, i_1, j = Polygon(A, E, I, J)
K: (x(B) - h, y(B))
L: (x(K), y(K) + h)
M: (x(B), y(B) + h)
poly4, l, m, b_1, k = Polygon(L, M, B, K)
N: (x(C), y(C) - h)
O: (x(C) - h, y(C) - h)
P: (x(C) - h, y(C))
poly5, p, c_1, n, o = Polygon(P, C, N, O)
V: (((21 - (2 * h)) * (29.7 - (2 * h))) * h)
Q: (28, 12)
R = Point(Circle[Q, 21 - (2 * h)])
h2 = Segment(Q, R)
S = Point(Circle[Q, 29.7 - (2 * h)])
q = Segment(Q, S)
T = Point(Circle[R, 29.7 - (2 * h)])
r = Segment(R, T)
s = Segment(S, T)
U = Point(Circle[Q, h])
t = Segment(Q, U)
W = Point(Circle[S, h])
d_1 = Segment(S, W)
f_1 = Segment(U, W)
Z = Point(Circle[R, h])
g_1 = Segment(R, Z)
A_1 = Point(Circle[T, h])
h_1 = Segment(T, A_1)
j_1 = Segment(U, Z)
k_1 = Segment(W, A_1)
l_1 = Segment(Z, A_1)
m_1 = Segment(G, O)
n_1 = Segment(O, L)
p_1 = Segment(L, I)
q_1 = Segment(I, G)