diff --git a/notebook_nueva/hinged_lid.py b/notebook_nueva/hinged_lid.py
index 58899e0..248dcdc 100644
--- a/notebook_nueva/hinged_lid.py
+++ b/notebook_nueva/hinged_lid.py
@@ -255,10 +255,9 @@ def model():
         .workplaneFromTagged("screen_plane")
         .workplane(offset=thickness / 2 - shell_t)
         .placeSketch(
-            cq.Sketch()
-            .trapezoid(screen_mount.scr_w - 40, screen_mount.scr_h + 2 * shell_t, 90)
-            .vertices()
-            .fillet(2)
+            cq.Sketch().trapezoid(
+                screen_mount.scr_w - 40, screen_mount.scr_h + 2 * shell_t, 90
+            )
         )
         .cutBlind(-9)
         .workplaneFromTagged("screen_plane")
@@ -305,3 +304,21 @@ if __name__ == "__main__":
             "strokeWidth": 0.3,
         },
     )
+
+    offset_width = -width / 2
+
+    right_side = (
+        model.faces(">X")
+        .workplane(centerOption="CenterOfBoundBox", offset=offset_width)
+        .split(keepTop=True)
+    )
+
+    exporters.export(right_side, "right_hinged_lid.stl")
+
+    left_side = (
+        model.faces(">X")
+        .workplane(centerOption="CenterOfBoundBox", offset=offset_width)
+        .split(keepBottom=True)
+    )
+
+    exporters.export(left_side, "left_hinged_lid.stl")
diff --git a/notebook_nueva/hinged_lid.stl b/notebook_nueva/hinged_lid.stl
index cfae68a..57fb748 100644
Binary files a/notebook_nueva/hinged_lid.stl and b/notebook_nueva/hinged_lid.stl differ
diff --git a/notebook_nueva/hinged_lid.svg b/notebook_nueva/hinged_lid.svg
index 51d4ac4..e636b02 100644
--- a/notebook_nueva/hinged_lid.svg
+++ b/notebook_nueva/hinged_lid.svg
@@ -35,31 +35,27 @@
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