diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..2d6a47d
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "external/nanogui"]
+	path = external/nanogui
+	url = git@github.com:Godzil/nanogui.git
diff --git a/external/nanogui b/external/nanogui
new file mode 160000
index 0000000..2427ffd
--- /dev/null
+++ b/external/nanogui
@@ -0,0 +1 @@
+Subproject commit 2427ffdbfff2a51da8f891f86fe155bf0bcf612c