diff --git a/Makefile b/Makefile
index d3bb926..4f3d405 100644
--- a/Makefile
+++ b/Makefile
@@ -21,14 +21,17 @@ STL_OBJ =
 
 OBJECTS = $(POLYGON_OBJ) $(STL_OBJ)
 
-# Assembler, compiler, and linker flags
 POLYFLAGS  = 
 SCADFLAGS  = 
 
 # Targets
-all: $(STL_OBJ)
+all: all_stl
 poly: $(POLY_OBJ)
+$(STL_DIR)/key_blanks.d:
+	BUILD_DIR=$(STL_DIR) bin/parse.py $(SCAD_SRC)
 clean:
-	-rm -f $(OBJECTS)
+	-rm -f $(POLY_DIR)/*.gen.scad $(STL_DIR)/*.stl
 $(POLY_DIR)/%.gen.scad: $(SVG_DIR)/%.svg
 	$(POLY) $(POLYFLAGS) --fname $@ $<
+
+include $(STL_DIR)/key_blanks.d
diff --git a/bin/parse.py b/bin/parse.py
new file mode 100755
index 0000000..1c69417
--- /dev/null
+++ b/bin/parse.py
@@ -0,0 +1,49 @@
+#!/usr/bin/env python3
+
+import sys
+import os
+import re
+import json
+import string
+import itertools
+
+def handle(fn):
+    with open(fn) as f:
+        scad_text = f.read()
+
+    poly_reqs = re.findall(r'<(.+\.gen\.scad)>', scad_text)
+
+    modules = re.findall(r"module\s+([^\s\(]+)\s*\("
+                         r".+"
+                         r"outlines_k\s*=\s*(\[[^\]]+\])"
+                         r".+"
+                         r"wardings_k\s*=\s*(\[[^\]]+\])"
+                         , scad_text, flags=re.S)
+
+    modules_parsed = [(n, json.loads(o), json.loads(w)) for (n, o, w) in modules]
+
+    def sanitize(s):
+        return "".join([c for c in s.lower() if c in string.ascii_lowercase + string.digits])
+
+    all_keys = [(n, o, w) for (n, os, ws) in modules_parsed for o in os for w in ws]
+
+    def stl_filename(n, o, w):
+        return "$(STL_DIR)/{n}_{o_s}_{w_s}.stl".format(n=n, o=o, w=w, o_s=sanitize(o), w_s=sanitize(w))
+
+    all_keys_makefile = ["{stl_fn}: {scad_fn} {deps}\n\t$(SCAD) $(SCADFLAGS) -D 'outline=\"{o}\"' -D 'warding=\"{w}\"' {scad_fn} -o $@"
+        .format(n=n, o=o, w=w,
+        scad_fn=fn, stl_fn=stl_filename(n, o, w), deps=" ".join(["$(POLY_DIR)/{}".format(r) for r in poly_reqs]))
+        for (n, o, w) in all_keys]
+    all_stl = [stl_filename(n, o, w) for (n, o, w) in all_keys]
+    all_keys_makefile.append("all_stl: {}".format(" \\\n ".join(all_stl)))
+
+    return all_keys, all_keys_makefile
+
+all_keys, all_keys_makefile = (list(itertools.chain.from_iterable(e)) for e in zip(*[handle(fn) for fn in sys.argv[1:]]))
+
+d = os.environ.get("BUILD_DIR", "")
+
+with open(os.path.join(d, "key_blanks.d"), "w") as f:
+    print("\n".join(all_keys_makefile), file=f)
+with open(os.path.join(d, "key_blanks.json"), "w") as f:
+    print(json.dumps(all_keys), file=f)
diff --git a/src/schlage.scad b/src/schlage.scad
index 0ad36e6..f2cb0ee 100644
--- a/src/schlage.scad
+++ b/src/schlage.scad
@@ -2,11 +2,11 @@ use <keygen.scad>
 include <schlage.gen.scad>
 
 module schlage_classic(bitting="",
-                       outline_name="5pin",
-                       warding_name="c") {
+                       outline_name="5-pin",
+                       warding_name="C") {
 
-    outlines_k = ["5pin",
-                  "6pin"];
+    outlines_k = ["5-pin",
+                  "6-pin"];
     outlines_v = [[outline_5pin_points, outline_5pin_paths,
                    [-outline_5pin_points[92][0], -outline_5pin_points[98][1]],
                    engrave_5pin_points,
@@ -15,16 +15,16 @@ module schlage_classic(bitting="",
                    [-outline_6pin_points[92][0], -outline_6pin_points[98][1]],
                    engrave_6pin_points,
                    engrave_6pin_paths]];
-    wardings_k = ["c",
-                  "ce",
-                  "e",
-                  "ef",
-                  "f",
-                  "fg",
-                  "h",
-                  "j",
-                  "k",    
-                  "l"];
+    wardings_k = ["C",
+                  "CE",
+                  "E",
+                  "EF",
+                  "F",
+                  "FG",
+                  "H",
+                  "J",
+                  "K",
+                  "L"];
     wardings_v = [warding_c_points,
                   warding_ce_points,
                   warding_e_points,
@@ -68,7 +68,8 @@ module schlage_classic(bitting="",
     }
 }
 
+// Defaults
 bitting="";
-outline="5pin";
-warding="c";
+outline="5-pin";
+warding="C";
 schlage_classic(bitting, outline, warding);