diff --git a/monitor/rear_mount.py b/monitor/rear_mount.py
index 76ce802..b76a205 100644
--- a/monitor/rear_mount.py
+++ b/monitor/rear_mount.py
@@ -14,8 +14,7 @@ from hinge import hinge_profile_1, hinge_profile_2, hinge_t, hinge_gap, hinge_w
 
 reinforcement_height = 1 + 1 + ti_depth - shell_t
 
-rear_mount_thickness = reinforcement_height + screw_head_h + shell_t
-rear_mount_width = width / 2 + 2 * shell_t
+rear_mount_width = width / 2
 
 back_reinforcement_cutout = (
     cq.Sketch()
@@ -45,11 +44,7 @@ rear_mount = (
     # Basic filleted box shape
     cq.Workplane("bottom")
     .placeSketch(back_reinforcement_outer)
-    .extrude(rear_mount_thickness)
-    .faces(">Y")
-    .workplane(centerOption="CenterOfBoundBox")
-    .placeSketch(back_reinforcement_cutout)
-    .cutBlind(-reinforcement_height)
+    .extrude(screw_head_h + shell_t)
     .faces("<Y")
     .workplane(centerOption="CenterOfBoundBox")
     .placeSketch(screw_holes)
@@ -62,7 +57,7 @@ rear_mount = (
     .faces(">X")
     .workplane(centerOption="CenterOfBoundBox", offset=-(rear_mount_width - 20) / 2)
     .transformed(rotate=cq.Vector(0, 0, 90))
-    .center(-hinge_w / 2, rear_mount_thickness / 2)
+    .center(-hinge_w / 2, 0)
     .tag("hingeplane")
     .placeSketch(hinge_profile_1)
     .extrude(-hinge_t)