\vec l_2

\vec l_1

\vec l_3

\vec \omega

\vec v_1

\vec v_3

\vec v_2

m_1

m_2

m_3

\vec L

m_3

m_4

\vec v_4

\vec l_4

H: (2, 1, 2)
P: (1, -2, 1)
ω = Vector((0, 0, 0), P)
v4: ω ⊗ H
l4: H ⊗ v4
Hd: H + l4 / 4
G: (-2, 2, -2)
v3: ω ⊗ G
l3: G ⊗ v3
Gd: G + l3 / 4
F: (-2, -1, 2)
v2: ω ⊗ F
l2: F ⊗ v2
Fd: F + l2 / 4
E: (2, -2, -2)
v1: ω ⊗ E
l1: E ⊗ v1
Ed: E + l1 / 4
r = 0.19 (slider from 0.1 to 0.5, step 0.01)
A: (x(E), y(E))
f = Segment(A, E)
B: (x(F), y(F))
g = Segment(B, F)
C: (x(G), y(G))
h = Segment(C, G)
a = Sphere(E, r)
b = Sphere(F, r)
c = Sphere(G, r)
D: (x(H), y(H))
i = Segment(D, H)
d = Sphere(H, r)
L1 = Vector(E, Ed)
L2 = Vector(F, Fd)
L3 = Vector(G, Gd)
L4 = Vector(H, Hd)
Lgesamt: L1 + L2 + L3 + L4
Ee: E + v1 / 4
Fe: F + v2 / 4
Ge: G + v3 / 4
He: H + v4 / 4
w1 = Vector(E, Ee)
w2 = Vector(F, Fe)
w3 = Vector(G, Ge)
w4 = Vector(H, He)
Pe: (3 * P)
u = Vector((0, 0, 0), (2 * P))