diff --git a/examples/python3/Cochlear-Implant-Insertion/Scene_Cochlea.py b/examples/python3/Cochlear-Implant-Insertion/Scene_Cochlea.py
index 146416c2..51e3c07e 100644
--- a/examples/python3/Cochlear-Implant-Insertion/Scene_Cochlea.py
+++ b/examples/python3/Cochlear-Implant-Insertion/Scene_Cochlea.py
@@ -56,7 +56,7 @@ def createScene(rootNode):
 
         InstrumentCombined.addObject('MechanicalObject', template="Rigid3d", name="DOFs" )
         InstrumentCombined.addObject('InterventionalRadiologyController', template="Rigid3d", name="m_ircontroller", printLog=False, xtip="0.1",speed ='4',   step="0.1", rotationInstrument="0", controlledInstrument="0", startingPos="@../RefStartingPos/ReferencePos.position", instruments="InterpolCatheter")
-        InstrumentCombined.addObject('WireBeamInterpolation', name="InterpolCatheter", WireRestShape="@../topoLines_cath/catheterRestShape", radius="3.0", printLog=False)
+        InstrumentCombined.addObject('WireBeamInterpolation', name="InterpolCatheter", WireRestShape="@../topoLines_cath/catheterRestShape", printLog=False)
         InstrumentCombined.addObject('AdaptiveBeamForceFieldAndMass', name="CatheterForceField", massDensity="0.000005", interpolation="@InterpolCatheter", printLog=False)
         InstrumentCombined.addObject('LinearSolverConstraintCorrection', printLog=False, wire_optimization="true")
         InstrumentCombined.addObject("FixedProjectiveConstraint", indices="0")
diff --git a/examples/python3/SingleBeamDeployment.py b/examples/python3/SingleBeamDeployment.py
index 46e66d50..daf321da 100644
--- a/examples/python3/SingleBeamDeployment.py
+++ b/examples/python3/SingleBeamDeployment.py
@@ -11,12 +11,12 @@ def createScene(rootNode):
 
     topoLines = rootNode.addChild('EdgeTopology')
     topoLines.addObject('RodStraightSection', name='StraightSection', 
-                                 length=980.0, radius=1, 
+                                 length=980.0, radius=0.9, 
                                  nbEdgesCollis=30, nbEdgesVisu=196, 
                                  youngModulus=20000)
 
     topoLines.addObject('RodSpireSection', name='SpireSection', 
-                                 length=20.0, radius=1, 
+                                 length=20.0, radius=0.9, 
                                  nbEdgesCollis=5, nbEdgesVisu=4,
                                  spireDiameter=25, spireHeight=0,
                                  youngModulus=20000)
@@ -38,8 +38,7 @@ def createScene(rootNode):
                                     xmax=0.0, xmin=0.0, ymin=0, ymax=0, zmax=0, zmin=0,
                                     p0=[0,0,0])
     BeamMechanics.addObject('MechanicalObject', showIndices=False, name='DOFs Container', template='Rigid3d', ry=-90)
-    BeamMechanics.addObject('WireBeamInterpolation', name='BeamInterpolation', WireRestShape='@../EdgeTopology/BeamRestShape', 
-                                    radius=0.9, printLog=False)
+    BeamMechanics.addObject('WireBeamInterpolation', name='BeamInterpolation', WireRestShape='@../EdgeTopology/BeamRestShape', printLog=False)
     BeamMechanics.addObject('AdaptiveBeamForceFieldAndMass', name='BeamForceField', massDensity=0.00000155, interpolation='@BeamInterpolation')
     BeamMechanics.addObject('InterventionalRadiologyController', name='DeployController', template='Rigid3d', instruments='BeamInterpolation', 
                                     startingPos=[0, 0, 0, 0, 0, 0, 1], xtip=[0, 0, 0], printLog=True, 
diff --git a/examples/python3/SingleBeamDeploymentCollision.py b/examples/python3/SingleBeamDeploymentCollision.py
index 61e03998..79c532ae 100644
--- a/examples/python3/SingleBeamDeploymentCollision.py
+++ b/examples/python3/SingleBeamDeploymentCollision.py
@@ -19,12 +19,12 @@ def createScene(rootNode):
 
     topoLines = rootNode.addChild('EdgeTopology')
     topoLines.addObject('RodStraightSection', name='StraightSection', 
-                                 length=980.0, radius=1, 
+                                 length=980.0, radius=0.9, 
                                  nbEdgesCollis=50, nbEdgesVisu=200, 
                                  youngModulus=20000, massDensity=0.1, poissonRatio=0.3)
 
     topoLines.addObject('RodSpireSection', name='SpireSection', 
-                                 length=20.0, radius=1, 
+                                 length=20.0, radius=0.9, 
                                  nbEdgesCollis=10, nbEdgesVisu=200,
                                  spireDiameter=25, spireHeight=0,
                                  youngModulus=20000, massDensity=0.1, poissonRatio=0.3)
@@ -46,8 +46,7 @@ def createScene(rootNode):
                                     xmax=0.0, xmin=0.0, ymin=0, ymax=0, zmax=0, zmin=0,
                                     p0=[0,0,0])
     BeamMechanics.addObject('MechanicalObject', showIndices=False, name='DOFs', template='Rigid3d', ry=-90)
-    BeamMechanics.addObject('WireBeamInterpolation', name='BeamInterpolation', WireRestShape='@../EdgeTopology/BeamRestShape', 
-                                    radius=0.9, printLog=False)
+    BeamMechanics.addObject('WireBeamInterpolation', name='BeamInterpolation', WireRestShape='@../EdgeTopology/BeamRestShape', printLog=False)
     BeamMechanics.addObject('AdaptiveBeamForceFieldAndMass', name='BeamForceField', massDensity=0.00000155, interpolation='@BeamInterpolation')
     BeamMechanics.addObject('InterventionalRadiologyController', name='DeployController', template='Rigid3d', instruments='BeamInterpolation', 
                                     startingPos=[0, 0, 0, 0, 0, 0, 1], xtip=[0, 0, 0], printLog=True,