diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..2f904e5
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+*.3mf filter=lfs diff=lfs merge=lfs -text
diff --git a/.gitignore b/.gitignore
index 903e4f5..1567411 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1 @@
 *.stl
-*.3mf
\ No newline at end of file
diff --git a/机器人缓坡2.3mf b/机器人缓坡2.3mf
new file mode 100644
index 0000000..f341458
--- /dev/null
+++ b/机器人缓坡2.3mf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:929b5c6456b774e8b8fa6728abd267b47ce440dbbcf3e1e6f165c9ba4ca8195b
+size 44731