diff --git a/cura/Settings/DatabaseHandlers/VariantDatabaseHandler.py b/cura/Settings/DatabaseHandlers/VariantDatabaseHandler.py
index b1932bcb9c..b0293c5904 100644
--- a/cura/Settings/DatabaseHandlers/VariantDatabaseHandler.py
+++ b/cura/Settings/DatabaseHandlers/VariantDatabaseHandler.py
@@ -19,7 +19,7 @@ class VariantDatabaseHandler(DatabaseMetadataContainerController):
                 "definition": "text",
                 "version": "text",
                 "setting_version": "text",
-                "bot_extruder_id": "text",
+                "reference_extruder_id": "text",
             },
         ))
         self._container_type = InstanceContainer
diff --git a/plugins/MakerbotWriter/MakerbotWriter.py b/plugins/MakerbotWriter/MakerbotWriter.py
index 912457e0bd..1087ef0b16 100644
--- a/plugins/MakerbotWriter/MakerbotWriter.py
+++ b/plugins/MakerbotWriter/MakerbotWriter.py
@@ -144,7 +144,7 @@ class MakerbotWriter(MeshWriter):
 
         meta = dict()
 
-        meta["bot_type"] = global_stack.definition.getMetaDataEntry("bot_machine_id")
+        meta["bot_type"] = global_stack.definition.getMetaDataEntry("reference_machine_id")
 
         bounds: Optional[AxisAlignedBox] = None
         for node in nodes:
@@ -186,7 +186,7 @@ class MakerbotWriter(MeshWriter):
 
         meta["uuid"] = print_information.slice_uuid
 
-        materials = [extruder.material.getMetaData().get("bot_material_id") for extruder in extruders]
+        materials = [extruder.material.getMetaData().get("reference_material_id") for extruder in extruders]
 
         meta["material"] = materials[0]
         meta["materials"] = materials
@@ -198,7 +198,7 @@ class MakerbotWriter(MeshWriter):
 
         meta["model_counts"] = [{"count": 1, "name": node.getName()} for node in nodes]
 
-        tool_types = [extruder.variant.getMetaDataEntry("bot_extruder_id") for extruder in extruders]
+        tool_types = [extruder.variant.getMetaDataEntry("reference_extruder_id") for extruder in extruders]
         meta["tool_type"] = tool_types[0]
         meta["tool_types"] = tool_types
 
diff --git a/resources/definitions/ultimaker_methodx.def.json b/resources/definitions/ultimaker_methodx.def.json
index bf0cef923f..6292d3c5d2 100644
--- a/resources/definitions/ultimaker_methodx.def.json
+++ b/resources/definitions/ultimaker_methodx.def.json
@@ -9,7 +9,7 @@
         "manufacturer": "Ultimaker B.V.",
         "file_formats": "application/x-makerbot",
         "platform": "ultimaker_method_platform.stl",
-        "bot_machine_id": "lava_f",
+      "reference_machine_id": "lava_f",
         "exclude_materials": [
             "dsm_",
             "Essentium_",
diff --git a/resources/definitions/ultimaker_methodxl.def.json b/resources/definitions/ultimaker_methodxl.def.json
index 3cf50e5b8c..7409c18590 100644
--- a/resources/definitions/ultimaker_methodxl.def.json
+++ b/resources/definitions/ultimaker_methodxl.def.json
@@ -9,7 +9,7 @@
         "manufacturer": "Ultimaker B.V.",
         "file_formats": "application/x-makerbot",
         "platform": "ultimaker_method_xl_platform.stl",
-        "bot_machine_id": "magma_10",
+      "reference_machine_id": "magma_10",
         "has_machine_materials": true,
         "has_machine_quality": true,
         "has_materials": true,
diff --git a/resources/variants/ultimaker_methodx_1C.inst.cfg b/resources/variants/ultimaker_methodx_1C.inst.cfg
index 4a5f41c057..cf32997d67 100644
--- a/resources/variants/ultimaker_methodx_1C.inst.cfg
+++ b/resources/variants/ultimaker_methodx_1C.inst.cfg
@@ -4,7 +4,7 @@ name = 1C
 version = 4
 
 [metadata]
-bot_extruder_id = mk14_c
+reference_extruder_id = mk14_c
 hardware_type = nozzle
 setting_version = 22
 type = variant
diff --git a/resources/variants/ultimaker_methodx_1XA.inst.cfg b/resources/variants/ultimaker_methodx_1XA.inst.cfg
index dc0149928f..5ccf8d3635 100644
--- a/resources/variants/ultimaker_methodx_1XA.inst.cfg
+++ b/resources/variants/ultimaker_methodx_1XA.inst.cfg
@@ -4,7 +4,7 @@ name = 1XA
 version = 4
 
 [metadata]
-bot_extruder_id = mk14_hot
+reference_extruder_id = mk14_hot
 hardware_type = nozzle
 setting_version = 22
 type = variant
diff --git a/resources/variants/ultimaker_methodx_2XA.inst.cfg b/resources/variants/ultimaker_methodx_2XA.inst.cfg
index ef1eb62a48..073e101ef7 100644
--- a/resources/variants/ultimaker_methodx_2XA.inst.cfg
+++ b/resources/variants/ultimaker_methodx_2XA.inst.cfg
@@ -4,7 +4,7 @@ name = 2XA
 version = 4
 
 [metadata]
-bot_extruder_id = mk14_hot_s
+reference_extruder_id = mk14_hot_s
 hardware_type = nozzle
 setting_version = 22
 type = variant
diff --git a/resources/variants/ultimaker_methodx_LABS.inst.cfg b/resources/variants/ultimaker_methodx_LABS.inst.cfg
index bf6d495e90..96a4987923 100644
--- a/resources/variants/ultimaker_methodx_LABS.inst.cfg
+++ b/resources/variants/ultimaker_methodx_LABS.inst.cfg
@@ -4,7 +4,7 @@ name = LABS
 version = 4
 
 [metadata]
-bot_extruder_id = mk14_e
+reference_extruder_id = mk14_e
 hardware_type = nozzle
 setting_version = 22
 type = variant
diff --git a/resources/variants/ultimaker_methodxl_1C.inst.cfg b/resources/variants/ultimaker_methodxl_1C.inst.cfg
index 1bed86aa6e..ac715e5df2 100644
--- a/resources/variants/ultimaker_methodxl_1C.inst.cfg
+++ b/resources/variants/ultimaker_methodxl_1C.inst.cfg
@@ -4,7 +4,7 @@ name = 1C
 version = 4
 
 [metadata]
-bot_extruder_id = mk14_c
+reference_extruder_id = mk14_c
 hardware_type = nozzle
 setting_version = 22
 type = variant
diff --git a/resources/variants/ultimaker_methodxl_1XA.inst.cfg b/resources/variants/ultimaker_methodxl_1XA.inst.cfg
index ce303347f8..a0d3bf9669 100644
--- a/resources/variants/ultimaker_methodxl_1XA.inst.cfg
+++ b/resources/variants/ultimaker_methodxl_1XA.inst.cfg
@@ -4,7 +4,7 @@ name = 1XA
 version = 4
 
 [metadata]
-bot_extruder_id = mk14_hot
+reference_extruder_id = mk14_hot
 hardware_type = nozzle
 setting_version = 22
 type = variant
diff --git a/resources/variants/ultimaker_methodxl_2XA.inst.cfg b/resources/variants/ultimaker_methodxl_2XA.inst.cfg
index 8ab9108e71..8e45222a7b 100644
--- a/resources/variants/ultimaker_methodxl_2XA.inst.cfg
+++ b/resources/variants/ultimaker_methodxl_2XA.inst.cfg
@@ -4,7 +4,7 @@ name = 2XA
 version = 4
 
 [metadata]
-bot_extruder_id = mk14_hot_s
+reference_extruder_id = mk14_hot_s
 hardware_type = nozzle
 setting_version = 22
 type = variant
diff --git a/resources/variants/ultimaker_methodxl_LABS.inst.cfg b/resources/variants/ultimaker_methodxl_LABS.inst.cfg
index 4ec3edcc33..551567cf8c 100644
--- a/resources/variants/ultimaker_methodxl_LABS.inst.cfg
+++ b/resources/variants/ultimaker_methodxl_LABS.inst.cfg
@@ -4,7 +4,7 @@ name = LABS
 version = 4
 
 [metadata]
-bot_extruder_id = mk14_e
+reference_extruder_id = mk14_e
 hardware_type = nozzle
 setting_version = 22
 type = variant