diff --git a/ATTiny13-breadboard/B.pdf b/ATTiny13-breadboard/B.pdf
new file mode 100644
index 0000000..e446e08
--- /dev/null
+++ b/ATTiny13-breadboard/B.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:155f7ae64790ad06bb54140750ee4aef7a1bfaa2e8dda9370ac49b75e9840ee6
+size 214440
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..2d4aaf5
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,18 @@
+%_Both.pdf: %_Cu.pdf %_Mask.pdf
+	pdftk ${^} cat output ${@}
+
+%_90.pdf: %_Both.pdf
+	pdftk ${<} cat 1-endeast output ${@}
+
+%_90.ps: %_90.pdf
+	pdftops $<
+
+%_nup.ps: %_90.ps
+	psnup -pa4 -Pa5 -2 ${<} ${@}
+
+%_nup.pdf: %_nup.ps
+	ps2pdf ${<}
+
+%.pdf: %_nup.pdf
+	cp ${<} ${@}
+