diff --git a/Makefile b/Makefile
index 0b59087..9fa8b94 100644
--- a/Makefile
+++ b/Makefile
@@ -9,7 +9,7 @@ endif
 BASENAME = mini-tube
 SOURCE_FILE = $(BASENAME).scad
 PRESET_FILE = $(BASENAME).json
-PRESETS = 1ml-50mm2 1ml-100mm2 2ml-50mm2 2ml-100mm2 2ml-200mm2 5ml-100mm2 5ml-200mm2 5ml-333mm2 10ml-333mm2
+PRESETS = 1ml-50mm2 1ml-100mm2 2ml-50mm2 2ml-100mm2 2ml-200mm2 5ml-100mm2 5ml-200mm2 5ml-333mm2 5ml-500mm2 10ml-333mm2 10ml-500mm2
 
 default: $(foreach preset,$(PRESETS),$(BASENAME)-$(preset).3mf)
 .PHONY: default
diff --git a/mini-tube.json b/mini-tube.json
index 741ef49..2cc2268 100644
--- a/mini-tube.json
+++ b/mini-tube.json
@@ -24,6 +24,12 @@
 			"marks_medium_ml": "1",
 			"marks_large_ml": "5",
 			"text_size_mm": "7"
+		},
+		"500mm2": {
+			"cross_section_mm2": "500",
+			"marks_small_ml": "1",
+			"marks_large_ml": "5",
+			"text_size_mm": "8"
 		}
 	},
 	"fileFormatVersion": "1"