diff --git a/example_designs/targets/Makefile b/example_designs/targets/Makefile
new file mode 100644
index 0000000..008a956
--- /dev/null
+++ b/example_designs/targets/Makefile
@@ -0,0 +1,19 @@
+cores:
+	rm -rf cores
+	mkdir cores
+
+	python3 core.py --phy MII --core mac
+	cp liteeth/gateware/liteeth.v cores/liteeth_mac_wishbone_mii.v
+	python3 core.py --phy GMII --core mac
+	cp liteeth/gateware/liteeth.v cores/liteeth_mac_wishbone_gmii.v
+	python3 core.py --phy RGMII --core mac
+	cp liteeth/gateware/liteeth.v cores/liteeth_mac_wishbone_rgmii.v
+
+	python3 core.py --phy MII --core udp
+	cp liteeth/gateware/liteeth.v cores/liteeth_udpip_mii.v
+	python3 core.py --phy GMII --core udp
+	cp liteeth/gateware/liteeth.v cores/liteeth_udpip_gmii.v
+	python3 core.py --phy RGMII --core udp
+	cp liteeth/gateware/liteeth.v cores/liteeth_udpip_rgmii.v
+
+.PHONY: cores