diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..80a1944
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+*.blend filter=lfs diff=lfs merge=lfs -text
diff --git a/blender/21x21x7.blend b/blender/21x21x7.blend
new file mode 100644
index 0000000..a37ef10
--- /dev/null
+++ b/blender/21x21x7.blend
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4b3ab9dcfd8f7e617cfc243d27e9dda13ff8011bf7319aaae0f30e2337328774
+size 839240