diff --git a/amp_case.py b/amp_case.py
index 6298312..d512349 100644
--- a/amp_case.py
+++ b/amp_case.py
@@ -9,20 +9,22 @@ from svg_path import addSvgPath
 from svgpathtools import svg2paths
 import cadquery as cq
 import cqmore
+from math import ceil, floor
 
 amp_bottom_height = 16  # how tall the pcb is
 battery_width = 26
 battery_height = 17
-amp_width = 50
+amp_width = 62
 amp_length = 60
-amp_height = battery_height + amp_bottom_height + 4
+amp_height = battery_height + amp_bottom_height + 10
 
 side_width = 3
+middle_width = 2
 
-result = Workplane().box(amp_length, amp_width, 2)
+result = Workplane().box(amp_length, amp_width, side_width)
 
 result = (
-    result.workplane(offset=(amp_height / 2) - 1)
+    result.workplane(offset=(floor(amp_height / 2) - 1))
     .center(0, -(amp_width / 2))
     .line(0, amp_width, forConstruction=True)
     .vertices()
@@ -30,11 +32,16 @@ result = (
 )
 
 result = (
-    result.workplane(offset=(amp_height / 2) + side_width * 2)
+    result.workplane(offset=ceil((amp_height / 2) + side_width * 2) + 1)
     .center(0, amp_width / 2)
     .box(amp_length, amp_width + side_width, side_width)
 )
 
+result = result.workplane(offset=0).box(amp_length, amp_width + side_width, middle_width)
+
+
+cq.exporters.export(result, "/home/deck/model_files/amp_case.step")
+
 try:
     show_object(result)
 except NameError: