diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..0b59087
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,21 @@
+basedir := $(dir $(realpath $(lastword $(MAKEFILE_LIST))))
+OPENSCAD = openscad
+OPENSCAD_FLATPAK = flatpak run --filesystem=$(basedir) org.openscad.OpenSCAD
+
+ifdef USE_FLATPAK
+OPENSCAD = $(OPENSCAD_FLATPAK)
+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
+
+default: $(foreach preset,$(PRESETS),$(BASENAME)-$(preset).3mf)
+.PHONY: default
+
+$(BASENAME)-%.3mf: params = $(subst -, ,$*)
+$(BASENAME)-%.3mf: volume_ml = $(patsubst %ml,%,$(word 1,$(params)))
+$(BASENAME)-%.3mf: preset = $(word 2,$(params))
+$(BASENAME)-%.3mf: $(SOURCE_FILE) $(PRESET_FILE)
+	$(OPENSCAD) -o $@ -p $(PRESET_FILE) -P $(preset) -D volume_ml=$(volume_ml) $(SOURCE_FILE)
diff --git a/mini-tube.json b/mini-tube.json
index 89fcaf5..9fb7a4d 100644
--- a/mini-tube.json
+++ b/mini-tube.json
@@ -1,60 +1,23 @@
 {
 	"parameterSets":
 	{
-		"1ml-50mm2": {
-			"volume_ml": "1",
+		"50mm2": {
 			"cross_section_mm2": "50",
 			"marks_small_ml": "0.1",
 			"marks_medium_ml": "0.5",
 			"text_size_mm": "3"
 		},
-		"1ml-100mm2": {
-			"volume_ml": "1",
-			"cross_section_mm2": "100",
-			"marks_small_ml": "0.2",
-			"text_size_mm": "3"
-		},
-		"2ml-50mm2": {
-			"volume_ml": "2",
-			"cross_section_mm2": "50",
-			"marks_small_ml": "0.1",
-			"marks_medium_ml": "0.5",
-			"text_size_mm": "3"
-		},
-		"2ml-100mm2": {
-			"volume_ml": "2",
+		"100mm2": {
 			"cross_section_mm2": "100",
 			"marks_small_ml": "0.2",
 			"text_size_mm": "5"
 		},
-		"2ml-200mm2": {
-			"volume_ml": "2",
+		"200mm2": {
 			"cross_section_mm2": "200",
 			"marks_small_ml": "0.2",
-			"text_size_mm": "5"
+			"text_size_mm": "6"
 		},
-		"5ml-100mm2": {
-			"volume_ml": "5",
-			"cross_section_mm2": "100",
-			"marks_small_ml": "0.2",
-			"text_size_mm": "5"
-		},
-		"5ml-200mm2": {
-			"volume_ml": "5",
-			"cross_section_mm2": "200",
-			"marks_small_ml": "0.2",
-			"text_size_mm": "5"
-		},
-		"5ml-333mm2": {
-			"volume_ml": "5",
-			"cross_section_mm2": "333",
-			"marks_small_ml": "0.5",
-			"marks_medium_ml": "1",
-			"marks_large_ml": "5",
-			"text_size_mm": "7"
-		},
-		"10ml-333mm2": {
-			"volume_ml": "10",
+		"333mm2": {
 			"cross_section_mm2": "333",
 			"marks_small_ml": "0.5",
 			"marks_medium_ml": "1",
diff --git a/mini-tube.sh b/mini-tube.sh
deleted file mode 100755
index b9b1e6c..0000000
--- a/mini-tube.sh
+++ /dev/null
@@ -1,11 +0,0 @@
-#!/bin/zsh
-
-cd ${0%/*}
-
-if command -v openscad >/dev/null 2>&1; then
-	openscad=openscad
-else
-	openscad=(flatpak run --filesystem=$PWD org.openscad.OpenSCAD)
-fi
-
-<mini-tube.json jq --raw-output '.parameterSets | keys.[]' | xargs -P$(nproc) -I@ -- $openscad -o mini-tube-@.3mf -p mini-tube.json -P @ mini-tube.scad