diff --git a/nhf/touhou/houjuu_nue/__init__.py b/nhf/touhou/houjuu_nue/__init__.py
index e7d9887..dc759b3 100644
--- a/nhf/touhou/houjuu_nue/__init__.py
+++ b/nhf/touhou/houjuu_nue/__init__.py
@@ -198,3 +198,7 @@ if __name__ == '__main__':
 
     if sys.argv[1] == 'stat':
         print(p.stat())
+    elif sys.argv[1] == 'model':
+        file_name = sys.argv[2]
+        a = p.wings_harness_assembly()
+        a.save(file_name, exportType='STEP')