diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..1508d53
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "Open/Models/BlenderBIM/drawings/assets"]
+	path = Open/Models/BlenderBIM/drawings/assets
+	url = https://hub.openingdesign.com/OpeningDesign/assets.git
diff --git a/Open/Models/BlenderBIM/drawings/assets b/Open/Models/BlenderBIM/drawings/assets
new file mode 160000
index 0000000..598d5d2
--- /dev/null
+++ b/Open/Models/BlenderBIM/drawings/assets
@@ -0,0 +1 @@
+Subproject commit 598d5d2fdf58c4bf09983f2797fe93316114cfa7