user:Benutzer[a]
board1:Board3D
/p1:Punkt
/o1:Vektor
/p2:Punkt
/o2:Vektor
/s:Strecke


user:p1.new(10,20,5)
p1:o1.new(10,20,5)
user:p2.new(20,-4,12)
p2:o2.new(20,-4,12)
user:s.new(p1,p2)
user:board1.addStrecke(s)
