-KNIFEBLOCK_LAYERS=1 2 3 4 5 6
-KNIFEBLOCK_LAYER_FILES=$(foreach l,$(KNIFEBLOCK_LAYERS), \
- knifeblock-knives-l$l.dxf)
+KNIFEBLOCK_KNIVES= 0 1 2
+KNIFEBLOCK_TEMPLATES= bl hl
+KNIFEBLOCK_TEMPLATE_FILES=\
+ $(foreach k,$(KNIFEBLOCK_KNIVES), \
+ $(foreach t,$(KNIFEBLOCK_TEMPLATES), \
+ knifeblock-knives-t$k$t.dxf))