raumschiff1

$x_2$

$x_1$

$x_3$

A1 = (2, 1, 4)
X1: (5, 0, 0)
X2: (0, 5, 0)
X3: (0, 0, 5)
B1: (-3, 2, -1)
B2: (-3, 2, 0)
B3: (-3, 2, 1)
g = Segment(B3, B1)
C1: (-4, -2, 3)
C2: (-3, -2, 3)
C3: (-2, -2, 3)
C4: (-1, -2, 3)
C5: (0, -2, 3)
h = Segment(C5, C1)
A4 = (2, 4, 4)
A2 = (2, 2, 4)
A3 = (2, 3, 4)
f = Segment(A1, A4)
C6: (0, -1, 3)
C7: (-1, -3, 3)
i = Segment(C6, C5)
j = Segment(C4, C7)