diff --git a/.gitmodules b/.gitmodules
index 3205c55e..7253e26c 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -822,3 +822,6 @@
 [submodule "repos/CVfunk"]
 	path = repos/CVfunk
 	url = https://github.com/codygeary/CVfunk-Modules.git
+[submodule "repos/eightfold"]
+	path = repos/eightfold
+	url = https://github.com/scanner-darkly/eightfold.git
diff --git a/repos/eightfold b/repos/eightfold
new file mode 160000
index 00000000..066b89bf
--- /dev/null
+++ b/repos/eightfold
@@ -0,0 +1 @@
+Subproject commit 066b89bf1ae895d4a6c4410801deb4705c2498fa