diff --git a/resources/definitions/geeetech_A10.def.json b/resources/definitions/geeetech_A10.def.json
new file mode 100644
index 0000000000..33eac0ab7f
--- /dev/null
+++ b/resources/definitions/geeetech_A10.def.json
@@ -0,0 +1,57 @@
+{
+    "version": 2,
+    "name": "GEEETECH A10",
+    "inherits": "fdmprinter",
+    "metadata": {
+        "visible": true,
+        "author": "Amit L",
+        "manufacturer": "Geeetech",
+        "file_formats": "text/x-gcode",
+        "has_materials": true,
+        "machine_extruder_trains":
+        {
+            "0": "geeetech_A10_1"
+        }
+
+    },
+
+    "overrides": {
+        "machine_name": { "default_value": "GEEETECH A10" },
+        "machine_width": {
+            "default_value": 220
+        },
+        "machine_height": {
+            "default_value": 220
+        },
+        "machine_depth": {
+            "default_value": 260
+        },        "machine_center_is_zero": {
+            "default_value": false
+        },
+        "layer_height": { "default_value": 0.1 },
+        "layer_height_0": { "default_value": 0.15 },
+        "retraction_amount": { "default_value": 0.8 },
+        "retraction_speed": { "default_value": 35 },
+        "adhesion_type": { "default_value": "skirt" },
+        "machine_head_with_fans_polygon": { "default_value": [[-31,31],[34,31],[34,-40],[-31,-40]] },
+        "gantry_height": { "value": "28" },
+        "machine_max_feedrate_z": { "default_value": 12 },
+        "machine_max_feedrate_e": { "default_value": 120 },
+        "machine_max_acceleration_z": { "default_value": 500 },
+        "machine_acceleration": { "default_value": 1000 },
+        "machine_max_jerk_xy": { "default_value": 10 },
+        "machine_max_jerk_z": { "default_value": 0.2 },
+        "machine_max_jerk_e": { "default_value": 2.5 },
+        "machine_gcode_flavor": { "default_value": "RepRap (Marlin/Sprinter)" },
+        "machine_start_gcode": {
+            "default_value": "G28 \nG1 Z15 F300\nM107\nG90\nM82\nM104 S215\nM140 S55\nG92 E0\nM109 S215\nM107\nG0 X10 Y20 F6000\nG1 Z0.8\nG1 F300 X180 E40\nG1 F1200 Z2\nG92 E0\nG28"
+        },
+        "machine_end_gcode": {
+            "default_value": "G91\nG1 E-1\nG0 X0 Y200\nM104 S0\nG90\nG92 E0\nM140 S0\nM84\nM104 S0\nM140 S0\nM84"
+        },
+        "machine_extruder_count": {
+            "default_value": 1
+        }
+
+    }
+}
diff --git a/resources/definitions/geeetech_A10M.def.json b/resources/definitions/geeetech_A10M.def.json
new file mode 100644
index 0000000000..05ff1411ab
--- /dev/null
+++ b/resources/definitions/geeetech_A10M.def.json
@@ -0,0 +1,58 @@
+{
+    "version": 2,
+    "name": "GEEETECH A10M",
+    "inherits": "fdmprinter",
+    "metadata": {
+        "visible": true,
+        "author": "Amit L",
+        "manufacturer": "Geeetech",
+        "file_formats": "text/x-gcode",
+        "has_materials": true,
+        "machine_extruder_trains":
+        {
+            "0": "geeetech_A10M_1",
+            "1": "geeetech_A10M_2"
+        }
+
+    },
+
+    "overrides": {
+        "machine_name": { "default_value": "GEEETECH A10M" },
+        "machine_width": {
+            "default_value": 220
+        },
+        "machine_height": {
+            "default_value": 220
+        },
+        "machine_depth": {
+            "default_value": 260
+        },        "machine_center_is_zero": {
+            "default_value": false
+        },
+        "layer_height": { "default_value": 0.1 },
+        "layer_height_0": { "default_value": 0.15 },
+        "retraction_amount": { "default_value": 0.8 },
+        "retraction_speed": { "default_value": 35 },
+        "adhesion_type": { "default_value": "skirt" },
+        "machine_head_with_fans_polygon": { "default_value": [[-31,31],[34,31],[34,-40],[-31,-40]] },
+        "gantry_height": { "value": "28" },
+        "machine_max_feedrate_z": { "default_value": 12 },
+        "machine_max_feedrate_e": { "default_value": 120 },
+        "machine_max_acceleration_z": { "default_value": 500 },
+        "machine_acceleration": { "default_value": 1000 },
+        "machine_max_jerk_xy": { "default_value": 10 },
+        "machine_max_jerk_z": { "default_value": 0.2 },
+        "machine_max_jerk_e": { "default_value": 2.5 },
+        "machine_gcode_flavor": { "default_value": "RepRap (Marlin/Sprinter)" },
+        "machine_start_gcode": {
+            "default_value": "G28 \nG1 Z15 F300\nM107\nG90\nM82\nM104 S215\nM140 S55\nG92 E0\nM109 S215\nM107\nM163 S0 P0.50\nM163 S1 P0.50\nM164 S4\nG0 X10 Y20 F6000\nG1 Z0.8\nG1 F300 X180 E40\nG1 F1200 Z2\nG92 E0\nG28"
+        },
+        "machine_end_gcode": {
+            "default_value": "G91\nG1 E-1\nG0 X0 Y200\nM104 S0\nG90\nG92 E0\nM140 S0\nM84\nM104 S0\nM140 S0\nM84"
+        },
+        "machine_extruder_count": {
+            "default_value": 2
+        }
+
+    }
+}
diff --git a/resources/definitions/geeetech_A10T.def.json b/resources/definitions/geeetech_A10T.def.json
new file mode 100644
index 0000000000..0764991a8b
--- /dev/null
+++ b/resources/definitions/geeetech_A10T.def.json
@@ -0,0 +1,59 @@
+{
+    "version": 2,
+    "name": "GEEETECH A10T",
+    "inherits": "fdmprinter",
+    "metadata": {
+        "visible": true,
+        "author": "Amit L",
+        "manufacturer": "Geeetech",
+        "file_formats": "text/x-gcode",
+        "has_materials": true,
+        "machine_extruder_trains":
+        {
+            "0": "geeetech_A10T_1",
+            "1": "geeetech_A10T_2",
+            "2": "geeetech_A10T_3"
+        }
+
+    },
+
+    "overrides": {
+        "machine_name": { "default_value": "GEEETECH A10T" },
+        "machine_width": {
+            "default_value": 220
+        },
+        "machine_height": {
+            "default_value": 220
+        },
+        "machine_depth": {
+            "default_value": 260
+        },        "machine_center_is_zero": {
+            "default_value": false
+        },
+        "layer_height": { "default_value": 0.1 },
+        "layer_height_0": { "default_value": 0.15 },
+        "retraction_amount": { "default_value": 0.8 },
+        "retraction_speed": { "default_value": 35 },
+        "adhesion_type": { "default_value": "skirt" },
+        "machine_head_with_fans_polygon": { "default_value": [[-31,31],[34,31],[34,-40],[-31,-40]] },
+        "gantry_height": { "value": "28" },
+        "machine_max_feedrate_z": { "default_value": 12 },
+        "machine_max_feedrate_e": { "default_value": 120 },
+        "machine_max_acceleration_z": { "default_value": 500 },
+        "machine_acceleration": { "default_value": 1000 },
+        "machine_max_jerk_xy": { "default_value": 10 },
+        "machine_max_jerk_z": { "default_value": 0.2 },
+        "machine_max_jerk_e": { "default_value": 2.5 },
+        "machine_gcode_flavor": { "default_value": "RepRap (Marlin/Sprinter)" },
+        "machine_start_gcode": {
+            "default_value": "G28 \nG1 Z15 F300\nM107\nG90\nM82\nM104 S215\nM140 S55\nG92 E0\nM109 S215\nM107\nM163 S0 P0.33\nM163 S1 P0.33\nM163 S2 P0.33\nM164 S4\nG0 X10 Y20 F6000\nG1 Z0.8\nG1 F300 X180 E40\nG1 F1200 Z2\nG92 E0\nG28"
+        },
+        "machine_end_gcode": {
+            "default_value": "G91\nG1 E-1\nG0 X0 Y200\nM104 S0\nG90\nG92 E0\nM140 S0\nM84\nM104 S0\nM140 S0\nM84"
+        },
+        "machine_extruder_count": {
+            "default_value": 3
+        }
+
+    }
+}
diff --git a/resources/definitions/geeetech_A20.def.json b/resources/definitions/geeetech_A20.def.json
new file mode 100644
index 0000000000..4445b6c9a8
--- /dev/null
+++ b/resources/definitions/geeetech_A20.def.json
@@ -0,0 +1,57 @@
+{
+    "version": 2,
+    "name": "GEEETECH A20",
+    "inherits": "fdmprinter",
+    "metadata": {
+        "visible": true,
+        "author": "Amit L",
+        "manufacturer": "Geeetech",
+        "file_formats": "text/x-gcode",
+        "has_materials": true,
+        "machine_extruder_trains":
+        {
+            "0": "geeetech_A20_1"
+        }
+
+    },
+
+    "overrides": {
+        "machine_name": { "default_value": "GEEETECH A20" },
+        "machine_width": {
+            "default_value": 250
+        },
+        "machine_height": {
+            "default_value": 250
+        },
+        "machine_depth": {
+            "default_value": 250
+        },        "machine_center_is_zero": {
+            "default_value": false
+        },
+        "layer_height": { "default_value": 0.1 },
+        "layer_height_0": { "default_value": 0.15 },
+        "retraction_amount": { "default_value": 0.8 },
+        "retraction_speed": { "default_value": 35 },
+        "adhesion_type": { "default_value": "skirt" },
+        "machine_head_with_fans_polygon": { "default_value": [[-31,31],[34,31],[34,-40],[-31,-40]] },
+        "gantry_height": { "value": "28" },
+        "machine_max_feedrate_z": { "default_value": 12 },
+        "machine_max_feedrate_e": { "default_value": 120 },
+        "machine_max_acceleration_z": { "default_value": 500 },
+        "machine_acceleration": { "default_value": 1000 },
+        "machine_max_jerk_xy": { "default_value": 10 },
+        "machine_max_jerk_z": { "default_value": 0.2 },
+        "machine_max_jerk_e": { "default_value": 2.5 },
+        "machine_gcode_flavor": { "default_value": "RepRap (Marlin/Sprinter)" },
+        "machine_start_gcode": {
+            "default_value": "G28 \nG1 Z15 F300\nM107\nG90\nM82\nM104 S215\nM140 S55\nG92 E0\nM109 S215\nM107\nG0 X10 Y20 F6000\nG1 Z0.8\nG1 F300 X200 E40\nG1 F1200 Z2\nG92 E0\nG28"
+        },
+        "machine_end_gcode": {
+            "default_value": "G91\nG1 E-1\nG0 X0 Y200\nM104 S0\nG90\nG92 E0\nM140 S0\nM84\nM104 S0\nM140 S0\nM84"
+        },
+        "machine_extruder_count": {
+            "default_value": 1
+        }
+
+    }
+}
diff --git a/resources/definitions/geeetech_A20M.def.json b/resources/definitions/geeetech_A20M.def.json
new file mode 100644
index 0000000000..1cc0ab5a6a
--- /dev/null
+++ b/resources/definitions/geeetech_A20M.def.json
@@ -0,0 +1,58 @@
+{
+    "version": 2,
+    "name": "GEEETECH A20M",
+    "inherits": "fdmprinter",
+    "metadata": {
+        "visible": true,
+        "author": "Amit L",
+        "manufacturer": "Geeetech",
+        "file_formats": "text/x-gcode",
+        "has_materials": true,
+        "machine_extruder_trains":
+        {
+            "0": "geeetech_A20M_1",
+            "1": "geeetech_A20M_2"
+        }
+
+    },
+
+    "overrides": {
+        "machine_name": { "default_value": "GEEETECH A20M" },
+        "machine_width": {
+            "default_value": 250
+        },
+        "machine_height": {
+            "default_value": 250
+        },
+        "machine_depth": {
+            "default_value": 250
+        },        "machine_center_is_zero": {
+            "default_value": false
+        },
+        "layer_height": { "default_value": 0.1 },
+        "layer_height_0": { "default_value": 0.15 },
+        "retraction_amount": { "default_value": 0.8 },
+        "retraction_speed": { "default_value": 35 },
+        "adhesion_type": { "default_value": "skirt" },
+        "machine_head_with_fans_polygon": { "default_value": [[-31,31],[34,31],[34,-40],[-31,-40]] },
+        "gantry_height": { "value": "28" },
+        "machine_max_feedrate_z": { "default_value": 12 },
+        "machine_max_feedrate_e": { "default_value": 120 },
+        "machine_max_acceleration_z": { "default_value": 500 },
+        "machine_acceleration": { "default_value": 1000 },
+        "machine_max_jerk_xy": { "default_value": 10 },
+        "machine_max_jerk_z": { "default_value": 0.2 },
+        "machine_max_jerk_e": { "default_value": 2.5 },
+        "machine_gcode_flavor": { "default_value": "RepRap (Marlin/Sprinter)" },
+        "machine_start_gcode": {
+            "default_value": "G28 \nG1 Z15 F300\nM107\nG90\nM82\nM104 S215\nM140 S55\nG92 E0\nM109 S215\nM107\nM163 S0 P0.50\nM163 S1 P0.50\nM164 S4\nG0 X10 Y20 F6000\nG1 Z0.8\nG1 F300 X200 E40\nG1 F1200 Z2\nG92 E0\nG28"
+        },
+        "machine_end_gcode": {
+            "default_value": "G91\nG1 E-1\nG0 X0 Y200\nM104 S0\nG90\nG92 E0\nM140 S0\nM84\nM104 S0\nM140 S0\nM84"
+        },
+        "machine_extruder_count": {
+            "default_value": 2
+        }
+
+    }
+}
diff --git a/resources/definitions/geeetech_A20T.def.json b/resources/definitions/geeetech_A20T.def.json
new file mode 100644
index 0000000000..7b97fef3d5
--- /dev/null
+++ b/resources/definitions/geeetech_A20T.def.json
@@ -0,0 +1,59 @@
+{
+    "version": 2,
+    "name": "GEEETECH A20T",
+    "inherits": "fdmprinter",
+    "metadata": {
+        "visible": true,
+        "author": "Amit L",
+        "manufacturer": "Geeetech",
+        "file_formats": "text/x-gcode",
+        "has_materials": true,
+        "machine_extruder_trains":
+        {
+            "0": "geeetech_A20T_1",
+            "1": "geeetech_A20T_2",
+            "2": "geeetech_A20T_3"
+        }
+
+    },
+
+    "overrides": {
+        "machine_name": { "default_value": "GEEETECH A20T" },
+        "machine_width": {
+            "default_value": 250
+        },
+        "machine_height": {
+            "default_value": 250
+        },
+        "machine_depth": {
+            "default_value": 250
+        },        "machine_center_is_zero": {
+            "default_value": false
+        },
+        "layer_height": { "default_value": 0.1 },
+        "layer_height_0": { "default_value": 0.15 },
+        "retraction_amount": { "default_value": 0.8 },
+        "retraction_speed": { "default_value": 35 },
+        "adhesion_type": { "default_value": "skirt" },
+        "machine_head_with_fans_polygon": { "default_value": [[-31,31],[34,31],[34,-40],[-31,-40]] },
+        "gantry_height": { "value": "28" },
+        "machine_max_feedrate_z": { "default_value": 12 },
+        "machine_max_feedrate_e": { "default_value": 120 },
+        "machine_max_acceleration_z": { "default_value": 500 },
+        "machine_acceleration": { "default_value": 1000 },
+        "machine_max_jerk_xy": { "default_value": 10 },
+        "machine_max_jerk_z": { "default_value": 0.2 },
+        "machine_max_jerk_e": { "default_value": 2.5 },
+        "machine_gcode_flavor": { "default_value": "RepRap (Marlin/Sprinter)" },
+        "machine_start_gcode": {
+            "default_value": "G28 \nG1 Z15 F300\nM107\nG90\nM82\nM104 S215\nM140 S55\nG92 E0\nM109 S215\nM107\nM163 S0 P0.33\nM163 S1 P0.33\nM163 S2 P0.33\nM164 S4\nG0 X10 Y20 F6000\nG1 Z0.8\nG1 F300 X200 E40\nG1 F1200 Z2\nG92 E0\nG28"
+        },
+        "machine_end_gcode": {
+            "default_value": "G91\nG1 E-1\nG0 X0 Y200\nM104 S0\nG90\nG92 E0\nM140 S0\nM84\nM104 S0\nM140 S0\nM84"
+        },
+        "machine_extruder_count": {
+            "default_value": 3
+        }
+
+    }
+}
diff --git a/resources/extruders/geeetech_A10M_1.def.json b/resources/extruders/geeetech_A10M_1.def.json
new file mode 100644
index 0000000000..b3c87489e9
--- /dev/null
+++ b/resources/extruders/geeetech_A10M_1.def.json
@@ -0,0 +1,19 @@
+{
+    "version": 2,
+    "name": "Extruder 1",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "geeetech_A10M",
+        "position": "0"
+    },
+
+    "overrides": {
+        "extruder_nr": {
+            "default_value": 0,
+            "maximum_value": "1"
+        },
+        "machine_nozzle_size": { "default_value": 0.4 },
+        "material_diameter": { "default_value": 1.75 }
+
+    }
+}
diff --git a/resources/extruders/geeetech_A10M_2.def.json b/resources/extruders/geeetech_A10M_2.def.json
new file mode 100644
index 0000000000..59c8d36aab
--- /dev/null
+++ b/resources/extruders/geeetech_A10M_2.def.json
@@ -0,0 +1,19 @@
+{
+    "version": 2,
+    "name": "Extruder 2",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "geeetech_A10M",
+        "position": "1"
+    },
+
+    "overrides": {
+        "extruder_nr": {
+            "default_value": 1,
+            "maximum_value": "1"
+        },
+        "machine_nozzle_size": { "default_value": 0.4 },
+        "material_diameter": { "default_value": 1.75 }
+
+    }
+}
diff --git a/resources/extruders/geeetech_A10T_1.def.json b/resources/extruders/geeetech_A10T_1.def.json
new file mode 100644
index 0000000000..240a71ccc4
--- /dev/null
+++ b/resources/extruders/geeetech_A10T_1.def.json
@@ -0,0 +1,19 @@
+{
+    "version": 2,
+    "name": "Extruder 1",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "geeetech_A10T",
+        "position": "0"
+    },
+
+    "overrides": {
+        "extruder_nr": {
+            "default_value": 0,
+            "maximum_value": "2"
+        },
+        "machine_nozzle_size": { "default_value": 0.4 },
+        "material_diameter": { "default_value": 1.75 }
+
+    }
+}
diff --git a/resources/extruders/geeetech_A10T_2.def.json b/resources/extruders/geeetech_A10T_2.def.json
new file mode 100644
index 0000000000..cc93fdd416
--- /dev/null
+++ b/resources/extruders/geeetech_A10T_2.def.json
@@ -0,0 +1,19 @@
+{
+    "version": 2,
+    "name": "Extruder 2",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "geeetech_A10T",
+        "position": "1"
+    },
+
+    "overrides": {
+        "extruder_nr": {
+            "default_value": 1,
+            "maximum_value": "2"
+        },
+        "machine_nozzle_size": { "default_value": 0.4 },
+        "material_diameter": { "default_value": 1.75 }
+
+    }
+}
diff --git a/resources/extruders/geeetech_A10T_3.def.json b/resources/extruders/geeetech_A10T_3.def.json
new file mode 100644
index 0000000000..ddee8fcd3b
--- /dev/null
+++ b/resources/extruders/geeetech_A10T_3.def.json
@@ -0,0 +1,19 @@
+{
+    "version": 2,
+    "name": "Extruder 3",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "geeetech_A10T",
+        "position": "2"
+    },
+
+    "overrides": {
+        "extruder_nr": {
+            "default_value": 2,
+            "maximum_value": "2"
+        },
+        "machine_nozzle_size": { "default_value": 0.4 },
+        "material_diameter": { "default_value": 1.75 }
+
+    }
+}
diff --git a/resources/extruders/geeetech_A10_1.def.json b/resources/extruders/geeetech_A10_1.def.json
new file mode 100644
index 0000000000..bcf889ab43
--- /dev/null
+++ b/resources/extruders/geeetech_A10_1.def.json
@@ -0,0 +1,17 @@
+{
+    
+    "version": 2,
+    "name": "Extruder 1",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "geeetech_A10",
+        "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/geeetech_A20M_1.def.json b/resources/extruders/geeetech_A20M_1.def.json
new file mode 100644
index 0000000000..b0c00f4144
--- /dev/null
+++ b/resources/extruders/geeetech_A20M_1.def.json
@@ -0,0 +1,19 @@
+{
+    "version": 2,
+    "name": "Extruder 1",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "geeetech_A20M",
+        "position": "0"
+    },
+
+    "overrides": {
+        "extruder_nr": {
+            "default_value": 0,
+            "maximum_value": "1"
+        },
+        "machine_nozzle_size": { "default_value": 0.4 },
+        "material_diameter": { "default_value": 1.75 }
+
+    }
+}
diff --git a/resources/extruders/geeetech_A20M_2.def.json b/resources/extruders/geeetech_A20M_2.def.json
new file mode 100644
index 0000000000..51dd29723a
--- /dev/null
+++ b/resources/extruders/geeetech_A20M_2.def.json
@@ -0,0 +1,19 @@
+{
+    "version": 2,
+    "name": "Extruder 2",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "geeetech_A20M",
+        "position": "1"
+    },
+
+    "overrides": {
+        "extruder_nr": {
+            "default_value": 1,
+            "maximum_value": "1"
+        },
+        "machine_nozzle_size": { "default_value": 0.4 },
+        "material_diameter": { "default_value": 1.75 }
+
+    }
+}
diff --git a/resources/extruders/geeetech_A20T_1.def.json b/resources/extruders/geeetech_A20T_1.def.json
new file mode 100644
index 0000000000..4880f2147b
--- /dev/null
+++ b/resources/extruders/geeetech_A20T_1.def.json
@@ -0,0 +1,19 @@
+{
+    "version": 2,
+    "name": "Extruder 1",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "geeetech_A20T",
+        "position": "0"
+    },
+
+    "overrides": {
+        "extruder_nr": {
+            "default_value": 0,
+            "maximum_value": "2"
+        },
+        "machine_nozzle_size": { "default_value": 0.4 },
+        "material_diameter": { "default_value": 1.75 }
+
+    }
+}
diff --git a/resources/extruders/geeetech_A20T_2.def.json b/resources/extruders/geeetech_A20T_2.def.json
new file mode 100644
index 0000000000..d001cbc291
--- /dev/null
+++ b/resources/extruders/geeetech_A20T_2.def.json
@@ -0,0 +1,19 @@
+{
+    "version": 2,
+    "name": "Extruder 2",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "geeetech_A20T",
+        "position": "1"
+    },
+
+    "overrides": {
+        "extruder_nr": {
+            "default_value": 1,
+            "maximum_value": "2"
+        },
+        "machine_nozzle_size": { "default_value": 0.4 },
+        "material_diameter": { "default_value": 1.75 }
+
+    }
+}
diff --git a/resources/extruders/geeetech_A20T_3.def.json b/resources/extruders/geeetech_A20T_3.def.json
new file mode 100644
index 0000000000..db60908cb9
--- /dev/null
+++ b/resources/extruders/geeetech_A20T_3.def.json
@@ -0,0 +1,19 @@
+{
+    "version": 2,
+    "name": "Extruder 3",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "geeetech_A20T",
+        "position": "2"
+    },
+
+    "overrides": {
+        "extruder_nr": {
+            "default_value": 2,
+            "maximum_value": "2"
+        },
+        "machine_nozzle_size": { "default_value": 0.4 },
+        "material_diameter": { "default_value": 1.75 }
+
+    }
+}
diff --git a/resources/extruders/geeetech_A20_1.def.json b/resources/extruders/geeetech_A20_1.def.json
new file mode 100644
index 0000000000..ce47abb402
--- /dev/null
+++ b/resources/extruders/geeetech_A20_1.def.json
@@ -0,0 +1,16 @@
+{
+    "version": 2,
+    "name": "Extruder 1",
+    "inherits": "fdmextruder",
+    "metadata": {
+        "machine": "geeetech_A20",
+        "position": "0"
+    },
+
+    "overrides": {
+        "extruder_nr": { "default_value": 0        },
+        "machine_nozzle_size": { "default_value": 0.4 },
+        "material_diameter": { "default_value": 1.75 }
+
+    }
+}