Lemniscaatkraan

Beweeg punt D en je ziet de Last bewegen.

Rechter muisknop op Last, Spoor aan/uit. 
Je ziet de lastweg van deze kraan als je D beweegt.

De kabel loopt van F, via A, D, E naar de Last.

Ook A en B zijn verplaatsbaar.

EL = 1 (slider from 0.5 to 5, step 0.1)
CE = 1.5 (slider from 1 to 5, step 0.1)
DC = 2 (slider from 1 to 5, step 0.1)
BC = 2.5 (slider from 1 to 3, step 0.1)
AD = 1.2000000000000002 (slider from 1 to 3, step 0.1)
B = (-1, 1)
g = Circle(B, BC)
A = (-2.32, 2.38)
f = Circle(A, AD)
D = Point(f)
h = Circle(D, DC)
C, G = Intersect(h, g)
t = Circle(C, CE)
m = Ray(D, C)
E, I = Intersect(t, m)
A_1 = Point(xAxis)
B_1 = Point(xAxis)
a = Segment(A_1, B_1)
b = OrthogonalLine(A, a)
c = OrthogonalLine(B, a)
C_1 = Intersect(b, a)
D_1 = Intersect(c, a)
d = Segment(A, C_1)
e = Segment(B, D_1)
i = Segment(B, A)
j = Segment(B, C)
k = Segment(A, D)
l = Segment(D, C)
n = Segment(D, E)
c1 = Circle(A, 1)
J = Rotate(D, 170°, A)
α = Angle(D, A, J)
a1 = Segment(A, J)
K = Intersect(c1, a1)
b1 = Segment(A, K)
L = Point(d)
d1 = Segment(L, K)
F_1 = Point(d)
e1 = Circle(F_1, 0.2)
F = Point(e1)
f1 = Segment(F, A)
g1 = OrthogonalLine(E, a)
h1 = Circle(E, EL)
Last, M = Intersect(h1, g1)
i1 = Segment(E, Last)