diff --git a/monitor/modelo.py b/monitor/modelo.py
index aa1a0c0..bd375ca 100644
--- a/monitor/modelo.py
+++ b/monitor/modelo.py
@@ -38,9 +38,11 @@ screen_cutout = (
     cq.Sketch().trapezoid(screen_w, screen_l, 90, mode="a").reset().vertices().fillet(1)
 )
 
+board_cutout = cq.Sketch().trapezoid(55, 50, 90, mode="a").reset().vertices("<X").fillet(5)
+
 segment_breaks_top = (
     cq.Sketch()
-    .rarray(width / 3, length, 2, 1)
+    .rarray(width / 4, length, 2, 1)
     .trapezoid(5, 15, 110, mode="a")
     .reset()
     .vertices()
@@ -49,7 +51,7 @@ segment_breaks_top = (
 
 segment_breaks_bottom = (
     cq.Sketch()
-    .rarray(width / 3, length, 2, 1)
+    .rarray(width / 4, length, 2, 1)
     .trapezoid(15, 15, 70, mode="a")
     .reset()
     .vertices()
@@ -57,10 +59,10 @@ segment_breaks_bottom = (
 )
 
 back_reinforcement = (
-    cq.Sketch().trapezoid(width * 2 / 3, 15, 90, mode="a").reset().vertices().fillet(2)
+    cq.Sketch().trapezoid(width / 2, 15, 90, mode="a").reset().vertices().fillet(2)
 )
 
-threaded_inserts = cq.Sketch().rarray(width / 6, 0, 4, 1).circle(ti_width, mode="a")
+threaded_inserts = cq.Sketch().rarray(width / 8, 0, 4, 1).circle(ti_width, mode="a")
 
 # Holder for the screen (other half of the case)
 screen_base = (
@@ -90,6 +92,12 @@ screen_base = (
     .center(0, -length)
     .placeSketch(segment_breaks_bottom)
     .cutBlind(-1000)
+    # Cutout for the circuit board
+    .faces("<Z")
+    .workplane(centerOption="CenterOfBoundBox")
+    .center(width / 2 - 27.5, 0)
+    .placeSketch(board_cutout)
+    .cutBlind(-shell_t)
     # Back reinforcement with holes for threaded inserts
     .faces("<Z")
     .workplane(centerOption="CenterOfBoundBox")