diff --git a/.gitignore b/.gitignore
index d0b4c36..62ae59d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,14 @@ __pycache__/
 # C extensions
 *.so
 
+# AutoCAD lock / tmp
+*.dwl
+*.dwl2
+*.ac$
+*.bak
+*.sv$ 
+*.tmp
+
 # Distribution / packaging
 .Python
 build/