diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..a1831cd
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1 @@
+meshlib
diff --git a/trellis2/representations/mesh/base.py b/trellis2/representations/mesh/base.py
index c0c217b..93fe12a 100644
--- a/trellis2/representations/mesh/base.py
+++ b/trellis2/representations/mesh/base.py
@@ -103,7 +103,7 @@ class Mesh:
         settings.packMesh = True
         
         print('Generating Meshlib Mesh ...')
-        mesh = mrmeshnumpy.meshFromFacesVerts(faces, vertices)
+        mesh = mrmeshnumpy.meshFromFacesVerts(self.faces, self.vertices)
         print('Packing Optimally ...')
         mesh.packOptimally()
         print('Decimating ...')