also create wireframe in Makefile

Makefile

@@ -1,4 +1,5 @@
 BITMAPS:=$(patsubst parts/%.dat, bitmaps/%.png, $(wildcard parts/*.dat))
+BITMAPSWF:=$(patsubst parts/%.dat, bitmaps-wireframe/%.png, $(wildcard parts/*.dat))
 
 all: parts
 
@@ -6,15 +7,22 @@ parts:
 	mkdir -p parts
 	python partsgen.py
 
-montage.png: $(BITMAPS)
+montage.png: parts $(BITMAPS)
 	montage -label '%f' $(BITMAPS) $@
 
+montage-wireframe.png: parts $(BITMAPSWF)
+	montage -label '%f' $(BITMAPSWF) $@
+
 bitmaps/%.png: parts/%.dat
 	mkdir -p bitmaps
 	ldview -SaveActualSize=0 -SaveAlpha=1 -SaveWidth=300 -SaveHeight=300 -SaveZoomToFit=0 -SaveSnapShot=$@ $<
 
+bitmaps-wireframe/%.png: parts/%.dat
+	mkdir -p bitmaps-wireframe
+	ldview -Wireframe=1 -SaveActualSize=0 -SaveAlpha=1 -SaveWidth=300 -SaveHeight=300 -SaveZoomToFit=0 -SaveSnapShot=$@ $<
+
 clean:
-	rm -rf parts bitmaps
+	rm -rf parts bitmaps bitmaps-wireframe montage.png
 
-test:
+test: parts montage.png montage-wireframe.png
 	sha512sum --check parts.sha512