diff --git a/resources/definitions/two_trees_bluer.def.json b/resources/definitions/two_trees_bluer.def.json
index 3bf23dd50e..cc209cbb4e 100644
--- a/resources/definitions/two_trees_bluer.def.json
+++ b/resources/definitions/two_trees_bluer.def.json
@@ -8,7 +8,13 @@
         "machine_width": { "default_value": 230 },
         "machine_depth": { "default_value": 230 },
         "machine_height": { "default_value": 280 },
-        "machine_head_with_fans_polygon": { "default_value": [[-47, 37],[-47, -23],[47, -23],[47, 37]]},
+        "machine_head_with_fans_polygon": { "default_value": [
+		[-47, 37],
+		[-47, -23],
+		[47, -23],
+		[47, 37]
+		]
+		},
 
         "gantry_height": { "value": 28 },
 		"speed_print": { "value": 50.0 },
diff --git a/resources/definitions/two_trees_bluerplus.def.json b/resources/definitions/two_trees_bluerplus.def.json
index 3ae8688a28..aceda96049 100644
--- a/resources/definitions/two_trees_bluerplus.def.json
+++ b/resources/definitions/two_trees_bluerplus.def.json
@@ -7,7 +7,13 @@
         "machine_width": { "default_value": 300 },
         "machine_depth": { "default_value": 300 },
         "machine_height": { "default_value": 400 },
-        "machine_head_with_fans_polygon": { "default_value": [[-47, 37],[-47, -23],[47, -23],[47, 37]]},
+        "machine_head_with_fans_polygon": { "default_value": [
+		[-47, 37],
+		[-47, -23],
+		[47, -23],
+		[47, 37]
+		]
+		},
 
         "gantry_height": { "value": 28 },
 		"speed_print": { "value": 50.0 },
diff --git a/resources/definitions/two_trees_sapphirepro.def.json b/resources/definitions/two_trees_sapphirepro.def.json
index a536303178..e10b2d3e4d 100644
--- a/resources/definitions/two_trees_sapphirepro.def.json
+++ b/resources/definitions/two_trees_sapphirepro.def.json
@@ -8,7 +8,13 @@
         "machine_width": { "default_value": 220 },
         "machine_depth": { "default_value": 220 },
         "machine_height": { "default_value": 220 },
-        "machine_head_with_fans_polygon": { "default_value": [[-30,19],[30,19],[30,-49],[-30,-49]] },
+        "machine_head_with_fans_polygon": { "default_value": [
+		[-30,19],
+		[30,19],
+		[30,-49],
+		[-30,-49]
+		] 
+		},
 
         "gantry_height": { "value": 65 },