D1=4.0mm / D2=6.0mm / D3=16.0mm / L1=50.0mm / L2=6.0mm / alfa=90.0°
D1=14.0mm / D2=8.0mm / L1=50.0mm / L2=7.0mm / alfa=90.0°
D1=5.0mm / D2=6.0mm / L1=50.0mm / L2=10.0mm / alfa=60.0°
D1=4.0mm / D2=6.0mm / L1=50.0mm / L2=2.9mm / alfa=90.0°