diff --git a/cura/ExtrudersModel.py b/cura/ExtrudersModel.py
index 37487f838c..3265667dc6 100644
--- a/cura/ExtrudersModel.py
+++ b/cura/ExtrudersModel.py
@@ -1,7 +1,7 @@
 # Copyright (c) 2016 Ultimaker B.V.
 # Cura is released under the terms of the AGPLv3 or higher.
 
-from PyQt5.QtCore import Qt
+from PyQt5.QtCore import Qt, pyqtSignal, pyqtProperty
 
 import cura.ExtruderManager
 import UM.Qt.ListModel
@@ -12,18 +12,21 @@ import UM.Qt.ListModel
 #   intended for drop-down lists of the current machine's extruders in place of
 #   settings.
 class ExtrudersModel(UM.Qt.ListModel.ListModel):
+    # The ID of the container stack for the extruder.
+    IdRole = Qt.UserRole + 1
+
     ##  Human-readable name of the extruder.
-    NameRole = Qt.UserRole + 1
+    NameRole = Qt.UserRole + 2
 
     ##  Colour of the material loaded in the extruder.
-    ColourRole = Qt.UserRole + 2
+    ColourRole = Qt.UserRole + 3
 
     ##  Index of the extruder, which is also the value of the setting itself.
     #
     #   An index of 0 indicates the first extruder, an index of 1 the second
     #   one, and so on. This is the value that will be saved in instance
     #   containers.
-    IndexRole = Qt.UserRole + 3
+    IndexRole = Qt.UserRole + 4
 
     ##  Initialises the extruders model, defining the roles and listening for
     #   changes in the data.
@@ -32,16 +35,30 @@ class ExtrudersModel(UM.Qt.ListModel.ListModel):
     def __init__(self, parent = None):
         super().__init__(parent)
 
+        self.addRoleName(self.IdRole, "id")
         self.addRoleName(self.NameRole, "name")
         self.addRoleName(self.ColourRole, "colour")
         self.addRoleName(self.IndexRole, "index")
 
+        self._add_global = False
+
         #Listen to changes.
         manager = cura.ExtruderManager.ExtruderManager.getInstance()
         manager.extrudersChanged.connect(self._updateExtruders) #When the list of extruders changes in general.
         UM.Application.globalContainerStackChanged.connect(self._updateExtruders) #When the current machine changes.
         self._updateExtruders()
 
+    def setAddGlobal(self, add):
+        if add != self._add_global:
+            self._add_global = add
+            self._updateExtruders()
+            self.addGlobalChanged.emit()
+
+    addGlobalChanged = pyqtSignal()
+    @pyqtProperty(bool, fset = setAddGlobal, notify = addGlobalChanged)
+    def addGlobal(self):
+        return self._add_global
+
     ##  Update the list of extruders.
     #
     #   This should be called whenever the list of extruders changes.
@@ -51,6 +68,18 @@ class ExtrudersModel(UM.Qt.ListModel.ListModel):
         global_container_stack = UM.Application.getInstance().getGlobalContainerStack()
         if not global_container_stack:
             return #There is no machine to get the extruders of.
+
+        if self._add_global:
+            material = global_container_stack.findContainer({ "type": "material" })
+            colour = material.getMetaDataEntry("color_code", default = "#FFFF00") if material else "#FFFF00"
+            item = {
+                "id": global_container_stack.getId(),
+                "name": "Global",
+                "colour": colour,
+                "index": -1
+            }
+            self.appendItem(item)
+
         for extruder in manager.getMachineExtruders(global_container_stack.getBottom()):
             material = extruder.findContainer({ "type": "material" })
             colour = material.getMetaDataEntry("color_code", default = "#FFFF00") if material else "#FFFF00"
@@ -60,9 +89,11 @@ class ExtrudersModel(UM.Qt.ListModel.ListModel):
             except ValueError: #Not a proper int.
                 position = -1
             item = { #Construct an item with only the relevant information.
+                "id": extruder.getId(),
                 "name": extruder.getName(),
                 "colour": colour,
                 "index": position
             }
             self.appendItem(item)
-        self.sort(lambda item: item["index"])
\ No newline at end of file
+
+        self.sort(lambda item: item["index"])