diff --git a/notebook_nueva/left_side.stl b/notebook_nueva/left_side.stl
index 7999d0e..1d5fc93 100644
Binary files a/notebook_nueva/left_side.stl and b/notebook_nueva/left_side.stl differ
diff --git a/notebook_nueva/model.stl b/notebook_nueva/model.stl
index fea7bf1..93a144a 100644
Binary files a/notebook_nueva/model.stl and b/notebook_nueva/model.stl differ
diff --git a/notebook_nueva/right_side.stl b/notebook_nueva/right_side.stl
index 3790200..ee33a6b 100644
Binary files a/notebook_nueva/right_side.stl and b/notebook_nueva/right_side.stl differ
diff --git a/notebook_nueva/screen_pillars.py b/notebook_nueva/screen_pillars.py
index 4ab2fee..563ba2e 100644
--- a/notebook_nueva/screen_pillars.py
+++ b/notebook_nueva/screen_pillars.py
@@ -15,8 +15,7 @@ def init(positions, thickness):
             "y": 0,
             "shape": cq.Sketch()
             .push(positions)
-            .trapezoid(12, 12, 90, mode="a")
-            .circle(1.8, mode="s"),
+            .trapezoid(12, 12, 90, mode="a"),
             "height": thickness,
         }
     ]
@@ -27,7 +26,13 @@ def init(positions, thickness):
             "y": 0,
             "shape": cq.Sketch().push(positions).circle(3, mode="a"),
             "depth": thickness - 13,  # (screw thread length - threaded insert depth)
-        }
+        },
+        {
+            "x": 0,
+            "y": 0,
+            "shape": cq.Sketch().push(positions).circle(1.8, mode="a"),
+            "depth": 100,
+        },
     ]