diff --git a/notebook_nueva/battery_holder.py b/notebook_nueva/battery_holder.py
index c83979b..fe7fbf3 100644
--- a/notebook_nueva/battery_holder.py
+++ b/notebook_nueva/battery_holder.py
@@ -1,14 +1,12 @@
 import cadquery as cq
 
 stand_positions = [(0, 0), (58, 0), (58, 49), (0, 49)]
-
 lower_stands = cq.Sketch().push(stand_positions).circle(3, mode="a")
-
 higher_stands = cq.Sketch().push(stand_positions).circle(2.65 / 2, mode="a")
+pillar_height = 7
 
 # This is a holder for DuPont cables so they connect to this
 # things' pogo pins which are used to power the CPU
-
 pin_positions = [(4, 0), (4 * 2.54 + 4, 0)]
 pin_holder_width = 25
 pin_holder_height = 15
diff --git a/notebook_nueva/left_side.stl b/notebook_nueva/left_side.stl
index b43956a..1800faa 100644
Binary files a/notebook_nueva/left_side.stl and b/notebook_nueva/left_side.stl differ
diff --git a/notebook_nueva/model.stl b/notebook_nueva/model.stl
index 9f4d5fb..0460e5c 100644
Binary files a/notebook_nueva/model.stl and b/notebook_nueva/model.stl differ
diff --git a/notebook_nueva/modelo.py b/notebook_nueva/modelo.py
index 579ad89..3ca8572 100644
--- a/notebook_nueva/modelo.py
+++ b/notebook_nueva/modelo.py
@@ -82,20 +82,13 @@ usb_in = cq.Sketch().trapezoid(13, 5.5, 90, mode="a")
 # Hole for the USB hub's exposed port
 audio_in = cq.Sketch().trapezoid(17, 6, 90, mode="a")
 
-
+# Battery holder position from front-left corner of the case
+battery_offset_x = 21
+battery_offset_y = 56
 # Holes for the battery power cable and button
 power_in = cq.Sketch().trapezoid(10, 5.5, 90, mode="a")
 power_button_cut = cq.Sketch().trapezoid(7, 7, 90, mode="a")
 
-# CPU stand pins
-lower_stands = (
-    cq.Sketch().push([(0, 0), (58, 0), (58, 23), (0, 23)]).circle(3, mode="a")
-)
-
-higher_stands = (
-    cq.Sketch().push([(0, 0), (58, 0), (58, 23), (0, 23)]).circle(2.65 / 2, mode="a")
-)
-
 
 def model():
     return (
@@ -112,14 +105,24 @@ def model():
         # The position is arbitrary, based on the components available
         .faces(">Y")
         .workplane(centerOption="CenterOfBoundBox")
-        .center(width / 2 - 15 - 21, -8.5)
+        # The 15 is distance from stand hole center to center of USB plug
+        # The -1 is distance from top of the pillar to center of USB plug
+        .center(
+            width / 2 - battery_offset_x - 15,
+            -thickness / 2 + battery_holder.pillar_height + shell_t - 1,
+        )
         .placeSketch(power_in)
         .cutBlind(-shell_t)
         # Power button
         # The position is arbitrary, based on the components available,
         .faces(">Y")
         .workplane(centerOption="CenterOfBoundBox")
-        .center(width / 2 - 67 - 21, -1)
+        # The 67 is distance from stand hole center to center of power button
+        # The 5 is distance from top of the pillar to center of power button
+        .center(
+            width / 2 - battery_offset_x - 67,
+            -thickness / 2 + battery_holder.pillar_height + shell_t + 5,
+        )
         .placeSketch(power_button_cut)
         .cutBlind(-shell_t)
         # USB inlet
@@ -187,27 +190,29 @@ def model():
         .workplane(offset=-thickness / 2, centerOption="CenterOfBoundBox")
         .center(width / 2 - 40, height / 2 - 65)
         .placeSketch(cpu_holder.higher_stands)
-        .extrude(13)
+        .extrude(10.5)
         # Battery Stands (lower)
-        # The +18, -55 is the position of the battery system,
         # and should be a parameter (TODO)
         .workplaneFromTagged("mid_height")
         .workplane(offset=-thickness / 2, centerOption="CenterOfBoundBox")
-        .center(-width / 2 + 21, height / 2 - 56)
+        .center(-width / 2 + battery_offset_x, height / 2 - battery_offset_y)
         .placeSketch(battery_holder.lower_stands)
-        .extrude(shell_t + 5)
+        .extrude(shell_t + battery_holder.pillar_height)
         # Battery Stands (higher)
         .workplaneFromTagged("mid_height")
         .workplane(offset=-thickness / 2, centerOption="CenterOfBoundBox")
-        .center(-width / 2 + 21, height / 2 - 56)
+        .center(-width / 2 + battery_offset_x, height / 2 - battery_offset_y)
         .placeSketch(battery_holder.higher_stands)
-        .extrude(shell_t + 11)
+        .extrude(shell_t + battery_holder.pillar_height + 3.5)
         # Pogo pin connector holders
         .workplaneFromTagged("mid_height")
         .workplane(offset=-thickness / 2, centerOption="CenterOfBoundBox")
-        .center(-width / 2 + 21, height / 2 - 56 - battery_holder.pin_holder_height / 2)
+        .center(
+            -width / 2 + battery_offset_x,
+            height / 2 - battery_offset_y - battery_holder.pin_holder_height / 2,
+        )
         .placeSketch(battery_holder.pin_holder)
-        .extrude(shell_t + 4)
+        .extrude(shell_t + 3)
     )
 
 
diff --git a/notebook_nueva/right_side.stl b/notebook_nueva/right_side.stl
index d02d7d0..3622135 100644
Binary files a/notebook_nueva/right_side.stl and b/notebook_nueva/right_side.stl differ