diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..f8ff2b5
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+*.mp4 filter=lfs diff=lfs merge=lfs -text
diff --git a/README.md b/README.md
index 4f2eb8e..9190462 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
+![Demo](https://github.com/cecton/blueprint-rs/blob/main/demo.mp4?raw=true)
+
 blueprint-rs
 ============
 
diff --git a/demo.mp4 b/demo.mp4
new file mode 100644
index 0000000..3b5a398
--- /dev/null
+++ b/demo.mp4
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d867da65e27a73144c5818eabfbf9a115b69abaef0b77dee17572f87a7eb235a
+size 165985