diff --git a/KennedyPegboard/Toolholders/multiconnect/backSlot.stl b/KennedyPegboard/Toolholders/multiconnect/backSlot.stl
new file mode 100644
index 0000000..43c5b5d
Binary files /dev/null and b/KennedyPegboard/Toolholders/multiconnect/backSlot.stl differ
diff --git a/KennedyPegboard/Toolholders/multiconnect/basicBackSlot.py b/KennedyPegboard/Toolholders/multiconnect/basicBackSlot.py
index aeb0702..5c63030 100644
--- a/KennedyPegboard/Toolholders/multiconnect/basicBackSlot.py
+++ b/KennedyPegboard/Toolholders/multiconnect/basicBackSlot.py
@@ -11,26 +11,32 @@ dbr = depth_big_round = 1.2121
 dsr = depth_small_round = 0.4379
 db = depth_bevel = 2.5
 
+pts = [
+    (0, 0),
+    ((wmh+4)/2, 0),
+    (((wmh+4)/2), dmh+2),
+    (((wmh+4)/2)-db-2, dmh+2),
+    (((wmh+4)/2)-db-2, dmh+2-dsr),
+    ((wmh+4)/2-2, dbr+2),
+    ((wmh+4)/2-2, 2),
+    (0, 2)
+]
+
 # Make one basic connector
 with BuildPart() as backSlot:
     # Make a polyline sketch and revolve it 180 degrees
     with BuildSketch() as sk_backSlot:
         with BuildLine() as ln_backSlot:
-            pts = [
-                (0, 0),
-                ((wmh+4)/2, 0),
-                (((wmh+4)/2), dmh+2),
-                (((wmh+4)/2)-db-2, dmh+2),
-                (((wmh+4)/2)-db-2, dmh+2-dsr),
-                ((wmh+4)/2-2, dbr+2),
-                ((wmh+4)/2-2, 2),
-                (0, 2)
-            ]
             Polyline(pts)
         make_face()
     revolve(revolution_arc=180.0, axis=Axis.Y)
     # Add a straight part to it
-    plane = (backSlot.faces(Select.LAST).sort_by(Axis.Z)[-1])
-    extrude(plane, amount = 4)
-
+    with BuildSketch() as sk_extrusion:
+        with BuildLine() as ln_extrusion:
+            Polyline(pts)
+        make_face()
+        mirror(about=Plane.YZ)
+    extrude(amount = 4)
+    
+export_stl(backSlot.part, "backSlot.stl")
 show_all()