diff --git a/plugins/AMFReader/AMFReader.py b/plugins/AMFReader/AMFReader.py
index d35fbe3d40..6c5ee91e87 100644
--- a/plugins/AMFReader/AMFReader.py
+++ b/plugins/AMFReader/AMFReader.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2019 fieldOfView
+# Copyright (c) 2019 fieldOfView, Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
 # This AMF parser is based on the AMF parser in legacy cura:
@@ -39,9 +39,9 @@ class AMFReader(MeshReader):
 
         MimeTypeDatabase.addMimeType(
             MimeType(
-                name="application/x-amf",
-                comment="AMF",
-                suffixes=["amf"]
+                name = "application/x-amf",
+                comment = "AMF",
+                suffixes = ["amf"]
             )
         )
 
@@ -94,7 +94,7 @@ class AMFReader(MeshReader):
                                 if t.tag == "x":
                                     v[0] = float(t.text) * scale
                                 elif t.tag == "y":
-                                    v[2] = float(t.text) * scale
+                                    v[2] = -float(t.text) * scale
                                 elif t.tag == "z":
                                     v[1] = float(t.text) * scale
                             amf_mesh_vertices.append(v)
@@ -114,7 +114,7 @@ class AMFReader(MeshReader):
                                 f[2] = int(t.text)
                         indices.append(f)
 
-                    mesh = trimesh.base.Trimesh(vertices=numpy.array(amf_mesh_vertices, dtype=numpy.float32), faces=numpy.array(indices, dtype=numpy.int32))
+                    mesh = trimesh.base.Trimesh(vertices = numpy.array(amf_mesh_vertices, dtype = numpy.float32), faces = numpy.array(indices, dtype = numpy.int32))
                     mesh.merge_vertices()
                     mesh.remove_unreferenced_vertices()
                     mesh.fix_normals()
@@ -123,7 +123,7 @@ class AMFReader(MeshReader):
                     new_node = CuraSceneNode()
                     new_node.setSelectable(True)
                     new_node.setMeshData(mesh_data)
-                    new_node.setName(base_name if len(nodes)==0 else "%s %d" % (base_name, len(nodes)))
+                    new_node.setName(base_name if len(nodes) == 0 else "%s %d" % (base_name, len(nodes)))
                     new_node.addDecorator(BuildPlateDecorator(CuraApplication.getInstance().getMultiBuildPlateModel().activeBuildPlate))
                     new_node.addDecorator(SliceableObjectDecorator())
 
@@ -165,9 +165,9 @@ class AMFReader(MeshReader):
             indices.append(face)
             face_count += 1
 
-        vertices = numpy.asarray(vertices, dtype=numpy.float32)
-        indices = numpy.asarray(indices, dtype=numpy.int32)
+        vertices = numpy.asarray(vertices, dtype = numpy.float32)
+        indices = numpy.asarray(indices, dtype = numpy.int32)
         normals = calculateNormalsFromIndexedVertices(vertices, indices, face_count)
 
-        mesh_data = MeshData(vertices=vertices, indices=indices, normals=normals)
+        mesh_data = MeshData(vertices = vertices, indices = indices, normals = normals)
         return mesh_data
diff --git a/resources/qml/Menus/ConfigurationMenu/CustomConfiguration.qml b/resources/qml/Menus/ConfigurationMenu/CustomConfiguration.qml
index 6f3d6ffa17..fda9ee35ac 100644
--- a/resources/qml/Menus/ConfigurationMenu/CustomConfiguration.qml
+++ b/resources/qml/Menus/ConfigurationMenu/CustomConfiguration.qml
@@ -221,6 +221,7 @@ Item
 
                 OldControls.CheckBox
                 {
+                    id: enabledCheckbox
                     checked: Cura.MachineManager.activeStack != null ? Cura.MachineManager.activeStack.isEnabled : false
                     enabled: !checked || Cura.MachineManager.numberExtrudersEnabled > 1 //Disable if it's the last enabled extruder.
                     height: parent.height
@@ -265,6 +266,7 @@ Item
 
                     text: Cura.MachineManager.activeStack !== null ? Cura.MachineManager.activeStack.material.name : ""
                     tooltip: text
+                    enabled: enabledCheckbox.checked
 
                     width: selectors.controlWidth
                     height: parent.height
@@ -324,7 +326,8 @@ Item
                     height: parent.height
                     width: selectors.controlWidth
                     style: UM.Theme.styles.print_setup_header_button
-                    activeFocusOnPress: true;
+                    activeFocusOnPress: true
+                    enabled: enabledCheckbox.checked
 
                     menu: Cura.NozzleMenu { extruderIndex: Cura.ExtruderManager.activeExtruderIndex }
                 }
diff --git a/resources/qml/Menus/MaterialMenu.qml b/resources/qml/Menus/MaterialMenu.qml
index a574e240d3..9720c81879 100644
--- a/resources/qml/Menus/MaterialMenu.qml
+++ b/resources/qml/Menus/MaterialMenu.qml
@@ -50,6 +50,7 @@ Menu
         {
             text: model.brand + " " + model.name
             checkable: true
+            enabled: Cura.MachineManager.activeMachine.extruderList[extruderIndex].isEnabled
             checked: model.root_material_id === menu.currentRootMaterialId
             onTriggered: Cura.MachineManager.setMaterial(extruderIndex, model.container_node)
             exclusiveGroup: favoriteGroup  // One favorite and one item from the others can be active at the same time.
@@ -72,6 +73,7 @@ Menu
             {
                 text: model.name
                 checkable: true
+                enabled: Cura.MachineManager.activeMachine.extruderList[extruderIndex].isEnabled
                 checked: model.root_material_id === menu.currentRootMaterialId
                 exclusiveGroup: group
                 onTriggered: Cura.MachineManager.setMaterial(extruderIndex, model.container_node)
@@ -110,6 +112,7 @@ Menu
                         {
                             text: model.name
                             checkable: true
+                            enabled: Cura.MachineManager.activeMachine.extruderList[extruderIndex].isEnabled
                             checked: model.id === menu.activeMaterialId
                             exclusiveGroup: group
                             onTriggered: Cura.MachineManager.setMaterial(extruderIndex, model.container_node)
diff --git a/resources/qml/Menus/NozzleMenu.qml b/resources/qml/Menus/NozzleMenu.qml
index a94ad10330..a291f125eb 100644
--- a/resources/qml/Menus/NozzleMenu.qml
+++ b/resources/qml/Menus/NozzleMenu.qml
@@ -32,7 +32,7 @@ Menu
                 return extruder.variant.name == model.hotend_name
             }
             exclusiveGroup: group
-
+            enabled: Cura.MachineManager.activeMachine.extruderList[extruderIndex].isEnabled
             onTriggered: {
                 Cura.MachineManager.setVariant(menu.extruderIndex, model.container_node);
             }