diff --git a/cura/QualityManager.py b/cura/QualityManager.py index 6deea4053e..a304eb1db3 100644 --- a/cura/QualityManager.py +++ b/cura/QualityManager.py @@ -109,6 +109,10 @@ class QualityManager: if not result: basic_materials = self._getBasicMaterials(material_container) result = self._getFilteredContainersForStack(machine_definition, basic_materials, **criteria) + + if not result: + result = [ self._empty_quality_container ] + return result ## Find all quality changes for a machine.