diff --git a/resources/extruders/sh65_extruder.def.json b/resources/extruders/sh65_extruder.def.json
new file mode 100644
index 0000000000..f01011e281
--- /dev/null
+++ b/resources/extruders/sh65_extruder.def.json
@@ -0,0 +1,21 @@
+{
+    "version": 2,
+    "name": "Extruder",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "sh65",
+        "position": "0"
+    },
+
+    "overrides": {
+        "extruder_nr": {
+            "default_value": 0
+        },
+        "machine_nozzle_size": {
+            "default_value": 0.4
+        },
+        "material_diameter": {
+            "default_value": 1.75
+        }
+    }
+}
diff --git a/resources/extruders/stream30mk3_extruder.def.json b/resources/extruders/stream30mk3_extruder.def.json
new file mode 100644
index 0000000000..8a9bbfa1f9
--- /dev/null
+++ b/resources/extruders/stream30mk3_extruder.def.json
@@ -0,0 +1,21 @@
+{
+    "version": 2,
+    "name": "Extruder",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "stream30mk3",
+        "position": "0"
+    },
+
+    "overrides": {
+        "extruder_nr": {
+            "default_value": 0
+        },
+        "machine_nozzle_size": {
+            "default_value": 0.4
+        },
+        "material_diameter": {
+            "default_value": 1.75
+        }
+    }
+}
diff --git a/resources/extruders/stream30ultrasc2_extruder.def.json b/resources/extruders/stream30ultrasc2_extruder.def.json
new file mode 100644
index 0000000000..56c34a34e1
--- /dev/null
+++ b/resources/extruders/stream30ultrasc2_extruder.def.json
@@ -0,0 +1,21 @@
+{
+    "version": 2,
+    "name": "Extruder",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "stream30ultrasc2",
+        "position": "0"
+    },
+
+    "overrides": {
+        "extruder_nr": {
+            "default_value": 0
+        },
+        "machine_nozzle_size": {
+            "default_value": 0.4
+        },
+        "material_diameter": {
+            "default_value": 1.75
+        }
+    }
+}