diff --git a/.gitmodules b/.gitmodules
index ca652ac1..3b555368 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "external/pybind11"]
 	path = python/pybind11
 	url = https://github.com/pybind/pybind11.git
+[submodule "DeformingSpacetimeMesh"]
+	path = DeformingSpacetimeMesh
+	url = git@github.com:rcrcarissa/DeformingSpacetimeMesh.git
diff --git a/DeformingSpacetimeMesh b/DeformingSpacetimeMesh
new file mode 160000
index 00000000..2ca5c681
--- /dev/null
+++ b/DeformingSpacetimeMesh
@@ -0,0 +1 @@
+Subproject commit 2ca5c6812bc4adf36110314a02be42c654ac1a54