diff --git a/resources/definitions/mingda_d3pro.def.json b/resources/definitions/mingda_d3pro.def.json
new file mode 100644
index 0000000000..63c9061fa2
--- /dev/null
+++ b/resources/definitions/mingda_d3pro.def.json
@@ -0,0 +1,21 @@
+{
+    "name": "MINGDA D3/Pro",
+    "version": 2,
+    "inherits": "mingda_base",
+    "overrides": {
+        "machine_name": { "default_value": "MINGDA D3/Pro" },
+        "machine_width": { "default_value": 320 },
+        "machine_depth": { "default_value": 320 },
+        "machine_height": { "default_value": 400 },
+        "gantry_height": { "value": 25 }
+		
+        
+
+    },
+    "metadata": {
+        "quality_definition": "mingda_base",
+        "visible": true,
+       "platform": "mingda_rock3_base.stl",
+        "platform_offset": [ -179, -108, 150]
+    }
+}
diff --git a/resources/definitions/mingda_d4pro.def.json b/resources/definitions/mingda_d4pro.def.json
new file mode 100644
index 0000000000..0cff777d2d
--- /dev/null
+++ b/resources/definitions/mingda_d4pro.def.json
@@ -0,0 +1,20 @@
+{
+    "name": "MINGDA D4 Pro",
+    "version": 2,
+    "inherits": "mingda_base",
+    "overrides": {
+        "machine_name": { "default_value": "MINGDA D4 Pro" },
+		"machine_start_gcode": { "default_value": "G28 ; home all axes\n G29; ABL\n M117 Purge extruder\n G92 E0 ; reset extruder\n G1 Z1.0 F3000 ; move z up little to prevent scratching of surface\n G1 X2 Y20 Z0.3 F5000.0 ; move to start-line position\n G1 X2 Y200.0 Z0.3 F1500.0 E15 ; draw 1st line\n G1 X2 Y200.0 Z0.4 F5000.0 ; move to side a little\n G1 X2 Y20 Z0.4 F1500.0 E30 ; draw 2nd line\n G92 E0 ; reset extruder\n G1 Z1.0 F3000 ; move z up little to prevent scratching of surface"},
+        "machine_width": { "default_value": 420 },
+        "machine_depth": { "default_value": 420 },
+        "machine_height": { "default_value": 400 },
+        "gantry_height": { "value": 25 }
+
+    },
+    "metadata": {
+        "quality_definition": "mingda_base",
+        "visible": true,
+        "platform": "mingda_d4pro_base.stl",
+        "platform_offset": [ -177, -140, 170]
+    }
+}
\ No newline at end of file
diff --git a/resources/definitions/mingda_rock3.def.json b/resources/definitions/mingda_rock3.def.json
new file mode 100644
index 0000000000..70254490b2
--- /dev/null
+++ b/resources/definitions/mingda_rock3.def.json
@@ -0,0 +1,19 @@
+{
+    "name": "MINGDA Rock3/Pro",
+    "version": 2,
+    "inherits": "mingda_base",
+    "overrides": {
+        "machine_name": { "default_value": "MINGDA Rock3/Pro" },
+        "machine_width": { "default_value": 320 },
+        "machine_depth": { "default_value": 320 },
+        "machine_height": { "default_value": 400 },
+        "gantry_height": { "value": 25 }
+
+    },
+    "metadata": {
+        "quality_definition": "mingda_base",
+        "visible": true,
+        "platform": "mingda_rock3_base.stl",
+        "platform_offset": [ -179, -108, 150]
+    }
+}
diff --git a/resources/meshes/mingda_d4pro_base.stl b/resources/meshes/mingda_d4pro_base.stl
new file mode 100644
index 0000000000..f9366df5f5
Binary files /dev/null and b/resources/meshes/mingda_d4pro_base.stl differ
diff --git a/resources/meshes/mingda_rock3_base.stl b/resources/meshes/mingda_rock3_base.stl
new file mode 100644
index 0000000000..019764c2a5
Binary files /dev/null and b/resources/meshes/mingda_rock3_base.stl differ
diff --git a/resources/variants/mingda_d3pro_0.2.inst.cfg b/resources/variants/mingda_d3pro_0.2.inst.cfg
new file mode 100644
index 0000000000..3ad09d32b4
--- /dev/null
+++ b/resources/variants/mingda_d3pro_0.2.inst.cfg
@@ -0,0 +1,12 @@
+[general]
+name = 0.2mm Nozzle
+version = 4
+definition = mingda_d3pro
+
+[metadata]
+setting_version = 16
+type = variant
+hardware_type = nozzle
+
+[values]
+machine_nozzle_size = 0.2
diff --git a/resources/variants/mingda_d3pro_0.3.inst.cfg b/resources/variants/mingda_d3pro_0.3.inst.cfg
new file mode 100644
index 0000000000..eba4aa69a6
--- /dev/null
+++ b/resources/variants/mingda_d3pro_0.3.inst.cfg
@@ -0,0 +1,12 @@
+[general]
+name = 0.3mm Nozzle
+version = 4
+definition = mingda_d3pro
+
+[metadata]
+setting_version = 16
+type = variant
+hardware_type = nozzle
+
+[values]
+machine_nozzle_size = 0.3
diff --git a/resources/variants/mingda_d3pro_0.4.inst.cfg b/resources/variants/mingda_d3pro_0.4.inst.cfg
new file mode 100644
index 0000000000..2d0851e5da
--- /dev/null
+++ b/resources/variants/mingda_d3pro_0.4.inst.cfg
@@ -0,0 +1,12 @@
+[general]
+name = 0.4mm Nozzle
+version = 4
+definition = mingda_d3pro
+
+[metadata]
+setting_version = 16
+type = variant
+hardware_type = nozzle
+
+[values]
+machine_nozzle_size = 0.4
diff --git a/resources/variants/mingda_d3pro_0.5.inst.cfg b/resources/variants/mingda_d3pro_0.5.inst.cfg
new file mode 100644
index 0000000000..ddea3c8ce8
--- /dev/null
+++ b/resources/variants/mingda_d3pro_0.5.inst.cfg
@@ -0,0 +1,12 @@
+[general]
+name = 0.5mm Nozzle
+version = 4
+definition = mingda_d3pro
+
+[metadata]
+setting_version = 16
+type = variant
+hardware_type = nozzle
+
+[values]
+machine_nozzle_size = 0.5
diff --git a/resources/variants/mingda_d3pro_0.6.inst.cfg b/resources/variants/mingda_d3pro_0.6.inst.cfg
new file mode 100644
index 0000000000..cbcc4ff889
--- /dev/null
+++ b/resources/variants/mingda_d3pro_0.6.inst.cfg
@@ -0,0 +1,12 @@
+[general]
+name = 0.6mm Nozzle
+version = 4
+definition = mingda_d3pro
+
+[metadata]
+setting_version = 16
+type = variant
+hardware_type = nozzle
+
+[values]
+machine_nozzle_size = 0.6
diff --git a/resources/variants/mingda_d3pro_0.8.inst.cfg b/resources/variants/mingda_d3pro_0.8.inst.cfg
new file mode 100644
index 0000000000..ac61e6ff64
--- /dev/null
+++ b/resources/variants/mingda_d3pro_0.8.inst.cfg
@@ -0,0 +1,12 @@
+[general]
+name = 0.8mm Nozzle
+version = 4
+definition = mingda_d3pro
+
+[metadata]
+setting_version = 16
+type = variant
+hardware_type = nozzle
+
+[values]
+machine_nozzle_size = 0.8
diff --git a/resources/variants/mingda_d3pro_1.0.inst.cfg b/resources/variants/mingda_d3pro_1.0.inst.cfg
new file mode 100644
index 0000000000..72c3b9a511
--- /dev/null
+++ b/resources/variants/mingda_d3pro_1.0.inst.cfg
@@ -0,0 +1,12 @@
+[general]
+name = 1.0mm Nozzle
+version = 4
+definition = mingda_d3pro
+
+[metadata]
+setting_version = 16
+type = variant
+hardware_type = nozzle
+
+[values]
+machine_nozzle_size = 1.0
diff --git a/resources/variants/mingda_d4pro_0.2.inst.cfg b/resources/variants/mingda_d4pro_0.2.inst.cfg
new file mode 100644
index 0000000000..914f403720
--- /dev/null
+++ b/resources/variants/mingda_d4pro_0.2.inst.cfg
@@ -0,0 +1,12 @@
+[general]
+name = 0.2mm Nozzle
+version = 4
+definition = mingda_d4pro
+
+[metadata]
+setting_version = 16
+type = variant
+hardware_type = nozzle
+
+[values]
+machine_nozzle_size = 0.2
diff --git a/resources/variants/mingda_d4pro_0.3.inst.cfg b/resources/variants/mingda_d4pro_0.3.inst.cfg
new file mode 100644
index 0000000000..8e02d8200e
--- /dev/null
+++ b/resources/variants/mingda_d4pro_0.3.inst.cfg
@@ -0,0 +1,12 @@
+[general]
+name = 0.3mm Nozzle
+version = 4
+definition = mingda_d4pro
+
+[metadata]
+setting_version = 16
+type = variant
+hardware_type = nozzle
+
+[values]
+machine_nozzle_size = 0.3
diff --git a/resources/variants/mingda_d4pro_0.4.inst.cfg b/resources/variants/mingda_d4pro_0.4.inst.cfg
new file mode 100644
index 0000000000..570d32c9c4
--- /dev/null
+++ b/resources/variants/mingda_d4pro_0.4.inst.cfg
@@ -0,0 +1,12 @@
+[general]
+name = 0.4mm Nozzle
+version = 4
+definition = mingda_d4pro
+
+[metadata]
+setting_version = 16
+type = variant
+hardware_type = nozzle
+
+[values]
+machine_nozzle_size = 0.4
diff --git a/resources/variants/mingda_d4pro_0.5.inst.cfg b/resources/variants/mingda_d4pro_0.5.inst.cfg
new file mode 100644
index 0000000000..3aaeb6e223
--- /dev/null
+++ b/resources/variants/mingda_d4pro_0.5.inst.cfg
@@ -0,0 +1,12 @@
+[general]
+name = 0.5mm Nozzle
+version = 4
+definition = mingda_d4pro
+
+[metadata]
+setting_version = 16
+type = variant
+hardware_type = nozzle
+
+[values]
+machine_nozzle_size = 0.5
diff --git a/resources/variants/mingda_d4pro_0.6.inst.cfg b/resources/variants/mingda_d4pro_0.6.inst.cfg
new file mode 100644
index 0000000000..8a5d17b4cf
--- /dev/null
+++ b/resources/variants/mingda_d4pro_0.6.inst.cfg
@@ -0,0 +1,12 @@
+[general]
+name = 0.6mm Nozzle
+version = 4
+definition = mingda_d4pro
+
+[metadata]
+setting_version = 16
+type = variant
+hardware_type = nozzle
+
+[values]
+machine_nozzle_size = 0.6
diff --git a/resources/variants/mingda_d4pro_0.8.inst.cfg b/resources/variants/mingda_d4pro_0.8.inst.cfg
new file mode 100644
index 0000000000..0097a4cb3b
--- /dev/null
+++ b/resources/variants/mingda_d4pro_0.8.inst.cfg
@@ -0,0 +1,12 @@
+[general]
+name = 0.8mm Nozzle
+version = 4
+definition = mingda_d4pro
+
+[metadata]
+setting_version = 16
+type = variant
+hardware_type = nozzle
+
+[values]
+machine_nozzle_size = 0.8
diff --git a/resources/variants/mingda_d4pro_1.0.inst.cfg b/resources/variants/mingda_d4pro_1.0.inst.cfg
new file mode 100644
index 0000000000..957adbc9c9
--- /dev/null
+++ b/resources/variants/mingda_d4pro_1.0.inst.cfg
@@ -0,0 +1,12 @@
+[general]
+name = 1.0mm Nozzle
+version = 4
+definition = mingda_d4pro
+
+[metadata]
+setting_version = 16
+type = variant
+hardware_type = nozzle
+
+[values]
+machine_nozzle_size = 1.0
diff --git a/resources/variants/mingda_rock3_0.2.inst.cfg b/resources/variants/mingda_rock3_0.2.inst.cfg
new file mode 100644
index 0000000000..a6f72b532f
--- /dev/null
+++ b/resources/variants/mingda_rock3_0.2.inst.cfg
@@ -0,0 +1,12 @@
+[general]
+name = 0.2mm Nozzle
+version = 4
+definition = mingda_rock3
+
+[metadata]
+setting_version = 16
+type = variant
+hardware_type = nozzle
+
+[values]
+machine_nozzle_size = 0.2
diff --git a/resources/variants/mingda_rock3_0.3.inst.cfg b/resources/variants/mingda_rock3_0.3.inst.cfg
new file mode 100644
index 0000000000..26413dd217
--- /dev/null
+++ b/resources/variants/mingda_rock3_0.3.inst.cfg
@@ -0,0 +1,12 @@
+[general]
+name = 0.3mm Nozzle
+version = 4
+definition = mingda_rock3
+
+[metadata]
+setting_version = 16
+type = variant
+hardware_type = nozzle
+
+[values]
+machine_nozzle_size = 0.3
diff --git a/resources/variants/mingda_rock3_0.4.inst.cfg b/resources/variants/mingda_rock3_0.4.inst.cfg
new file mode 100644
index 0000000000..b701097422
--- /dev/null
+++ b/resources/variants/mingda_rock3_0.4.inst.cfg
@@ -0,0 +1,12 @@
+[general]
+name = 0.4mm Nozzle
+version = 4
+definition = mingda_rock3
+
+[metadata]
+setting_version = 16
+type = variant
+hardware_type = nozzle
+
+[values]
+machine_nozzle_size = 0.4
diff --git a/resources/variants/mingda_rock3_0.5.inst.cfg b/resources/variants/mingda_rock3_0.5.inst.cfg
new file mode 100644
index 0000000000..54ff55c5d5
--- /dev/null
+++ b/resources/variants/mingda_rock3_0.5.inst.cfg
@@ -0,0 +1,12 @@
+[general]
+name = 0.5mm Nozzle
+version = 4
+definition = mingda_rock3
+
+[metadata]
+setting_version = 16
+type = variant
+hardware_type = nozzle
+
+[values]
+machine_nozzle_size = 0.5
diff --git a/resources/variants/mingda_rock3_0.6.inst.cfg b/resources/variants/mingda_rock3_0.6.inst.cfg
new file mode 100644
index 0000000000..223fa17718
--- /dev/null
+++ b/resources/variants/mingda_rock3_0.6.inst.cfg
@@ -0,0 +1,12 @@
+[general]
+name = 0.6mm Nozzle
+version = 4
+definition = mingda_rock3
+
+[metadata]
+setting_version = 16
+type = variant
+hardware_type = nozzle
+
+[values]
+machine_nozzle_size = 0.6
diff --git a/resources/variants/mingda_rock3_0.8.inst.cfg b/resources/variants/mingda_rock3_0.8.inst.cfg
new file mode 100644
index 0000000000..773fca6809
--- /dev/null
+++ b/resources/variants/mingda_rock3_0.8.inst.cfg
@@ -0,0 +1,12 @@
+[general]
+name = 0.8mm Nozzle
+version = 4
+definition = mingda_rock3
+
+[metadata]
+setting_version = 16
+type = variant
+hardware_type = nozzle
+
+[values]
+machine_nozzle_size = 0.8
diff --git a/resources/variants/mingda_rock3_1.0.inst.cfg b/resources/variants/mingda_rock3_1.0.inst.cfg
new file mode 100644
index 0000000000..e7a0c2c7ce
--- /dev/null
+++ b/resources/variants/mingda_rock3_1.0.inst.cfg
@@ -0,0 +1,12 @@
+[general]
+name = 1.0mm Nozzle
+version = 4
+definition = mingda_rock3
+
+[metadata]
+setting_version = 16
+type = variant
+hardware_type = nozzle
+
+[values]
+machine_nozzle_size = 1.0