Generate web page

Makefile

@@ -1,13 +1,32 @@
+DESTDIR = public
 PARAMETERS := $(shell cat Lego.json | grep -v '"parameterSets": ""' | jq -r '.parameterSets | keys[]')
-STL = $(PARAMETERS:%=%.stl)
+STL = $(PARAMETERS:%=$(DESTDIR)/%.stl)
+PNG = $(PARAMETERS:%=$(DESTDIR)/%.png)
+INDEX = $(DESTDIR)/index.html
 SCAD = Lego.scad
 CONFIG = Lego.json
 
-all: $(STL)
+.PHONY: all
+all: models thumbnails
 
+.PHONY: clean
 clean:
-	rm -f $(STL)
+	rm -f $(STL) $(PNG) $(INDEX)
 
-$(STL): $(SCAD) $(CONFIG) Makefile
-	openscad -o $@ -p $(CONFIG) -P $(@:%.stl=%) $(SCAD)
+.PHONY: models
+models: $(STL)
 
+.PHONY: thumbnails
+thumbnails: $(PNG)
+
+.PHONY: webpage
+webpage: thumbnails $(INDEX)
+
+$(STL) $(PNG): $(SCAD) $(CONFIG) Makefile
+	mkdir -p $(@D)
+	openscad -o $@ -p $(CONFIG) -P $(basename $(@F)) $(SCAD)
+
+$(INDEX): header.html entry.html footer.html Makefile
+	cat header.html > $@
+	$(foreach P,$(PARAMETERS),cat entry.html | sed 's/%/$P/g' >> $@;)
+	cat footer.html >> $@