% x, y, z, diameter -20,-1250,750,500 -20,200,840,500 -20,1000,-1000,500 -20,950,1400,300 -20,0,0,300 -20,0,-1500,300 -20,-900,-1100,300 -20,0,1680,300 -20,-600,1650,150 -20,-700,1300,150 -20,-1500,0,150 -20,1500,0,150 -20,-1400,-600,150 -20,-1000,-400,150