diff --git a/cura/Settings/MachineManager.py b/cura/Settings/MachineManager.py index f822ec2ab8..0cd70970c8 100755 --- a/cura/Settings/MachineManager.py +++ b/cura/Settings/MachineManager.py @@ -1357,11 +1357,7 @@ class MachineManager(QObject): # If we can keep the current material after the switch, try to do so. nozzle_node = ContainerTree.getInstance().machines[self._global_container_stack.definition.getId()].variants[current_nozzle_name] candidate_materials = nozzle_node.materials - old_approximate_material_diameter = None # type: Optional[float] - if candidate_materials: - candidate_material = list(candidate_materials.values())[0] - default_material_diameter = "2.85" - old_approximate_material_diameter = int(round(float(candidate_material.container.getMetaDataEntry("properties/diameter", default_material_diameter)))) + old_approximate_material_diameter = int(extruder.material.getMetaDataEntry("approximate_diameter", default = 3)) new_approximate_material_diameter = int(self._global_container_stack.extruderList[int(position_item)].getApproximateMaterialDiameter()) # Only switch to the old candidate material if the approximate material diameter of the extruder stays the