diff --git a/plugins/UM3NetworkPrinting/DiscoverUM3Action.qml b/plugins/UM3NetworkPrinting/DiscoverUM3Action.qml
index eb1bf786b0..e4cbc6a0c7 100644
--- a/plugins/UM3NetworkPrinting/DiscoverUM3Action.qml
+++ b/plugins/UM3NetworkPrinting/DiscoverUM3Action.qml
@@ -276,12 +276,8 @@ Cura.MachineAction
                     width: parent.width
                     wrapMode: Text.WordWrap
                     text:{
-                        if (base.selectedPrinter == undefined)
-                        {
-                            return "";
-                        }
                         // The property cluster size does not exist for older UM3 devices.
-                        if(base.selectedPrinter != undefined && base.selectedPrinter.clusterSize == null || base.selectedPrinter.clusterSize == 1)
+                        if(!base.selectedPrinter && (base.selectedPrinter.clusterSize == null || base.selectedPrinter.clusterSize == 1))
                         {
                             return "";
                         }
diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index 88e02fc1c6..550733badf 100644
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -1394,7 +1394,7 @@
                 "infill_pattern":
                 {
                     "label": "Infill Pattern",
-                    "description": "The pattern of the infill material of the print. The line and zig zag infill swap direction on alternate layers, reducing material cost. The grid, triangle, cubic, octet, quarter cubic and concentric patterns are fully printed every layer. Cubic, quarter cubic and octet infill change with every layer to provide a more equal distribution of strength over each direction.",
+                    "description": "The pattern of the infill material of the print. The line and zig zag infill swap direction on alternate layers, reducing material cost. The grid, triangle, tri-hexagon, cubic, octet, quarter cubic, cross and concentric patterns are fully printed every layer. Cubic, quarter cubic and octet infill change with every layer to provide a more equal distribution of strength over each direction.",
                     "type": "enum",
                     "options":
                     {
diff --git a/resources/definitions/vertex_delta_k8800.def.json b/resources/definitions/vertex_delta_k8800.def.json
index b832620942..ddfa54f4c8 100644
--- a/resources/definitions/vertex_delta_k8800.def.json
+++ b/resources/definitions/vertex_delta_k8800.def.json
@@ -10,6 +10,9 @@
     "author": "Velleman"
   },
   "overrides": {
+    "material_diameter": {
+      "default_value": 1.75,
+    },
     "machine_width": {
       "default_value": 200
     },
@@ -40,7 +43,7 @@
     "machine_head_shape_max_y": {
       "default_value": 0
     },
-    "machine_nozzle_gantry_distance": {
+    "gantry_height": {
       "default_value": 0
     },
     "machine_nozzle_offset_x_1": {