Mécanisme à griffes à quatre membres articulés d'une caméra 

d = 0.8 (slider from -1.5 to 1.5, step 0.1)
b = 0.99 (slider from -1.5 to 1.5, step 0.01)
A = Intersect(xAxis, yAxis)
d_1 = Circle(A, 1.5)
B = Point(d_1)
c = Circle(A, 2)
D = (3, 3)
f = Circle(B, 4 * b)
e = Circle(D, 2)
C = Intersect(e, f, 1)
a_1 = Ray(C, B)
b_1 = Segment(B, A)
g = Segment(C, D)
E = (-2.2436, -3.6114)
F = Point(Circle[E, 6.900260864634032])
G: E + 0.82 * Vector[E, F] + 1.11 * OrthogonalVector[Segment[E, F]]
H: E + 0.68 * Vector[E, F] + 1.13 * OrthogonalVector[Segment[E, F]]
I: E + 0.59 * Vector[E, F] + 0.61 * OrthogonalVector[Segment[E, F]]
J: E + 0.2 * Vector[E, F] + 0.59 * OrthogonalVector[Segment[E, F]]
k = Circle(B, 5 * d)
poly1, e_1, f_1, g_1, h, i, z = Polygon(E, F, G, H, I, J)
K = Intersect(k, a_1, 1)
L = (-6, 6)
M = (-6, -6)
j = Line(L, M)
a = Line(B, xAxis)
l = Segment(K, C)