diff --git a/notebook_nueva/battery_holder.py b/notebook_nueva/battery_holder.py
index f157303..c305e2c 100644
--- a/notebook_nueva/battery_holder.py
+++ b/notebook_nueva/battery_holder.py
@@ -1,11 +1,12 @@
 import cadquery as cq
 
-stand_positions = [(0, 0), (58, 0), (58, 49), (0, 49)]
+stand_positions = [(3.5, 3.5), (61.5, 3.5), (61.5, 52.5), (3.5, 52.5)]
 stands = (
     cq.Sketch().push(stand_positions).circle(3, mode="a").circle(2.65 / 2, mode="s")
 )
 pillar_height = 7
-
+width = 85
+height = 56
 
 # This is a holder for DuPont cables so they connect to this
 # things' pogo pins which are used to power the CPU
@@ -39,13 +40,53 @@ elements = [
         "shape": stands,
         "height": pillar_height,
     },
-    # Pogo pin connector channels
     {
         "x": 0,
-        "y": 40,
+        "y": 0,
+        "shape": cq.Sketch().push(stand_positions).circle(5),
+        "height": 0,
+    },
+    # Pogo pin connector channels
+    {
+        "x": 3.5,
+        "y": 43.5,
         "shape": pin_holder,
         "height": 3,
     },
+    # Perimeter
+    {
+        "x": width / 2,
+        "y": height / 2,
+        "shape": (
+            cq.Sketch()
+            .trapezoid(width, height, 90, mode="a")
+            .trapezoid(width - 2, height - 2, 90, mode="s")
+            .vertices()
+            .fillet(3)
+        ),
+        "height": 0.2,
+    },
+]
+
+
+hex_size = width // 13
+vent_positions = []
+for x in range(1, width // hex_size):
+    for y in range(0, int(height // hex_size / 0.8) - 1):
+        vent_positions.append(
+            (
+                (x + (y % 2) / 2) * hex_size - hex_size * 0.2,
+                y * hex_size * 0.8 + hex_size * 0.2,
+            )
+        )
+vents = cq.Sketch().push(vent_positions).regularPolygon((hex_size) / 2, 6)
+
+vents = [
+    {
+        "x": 0,
+        "y": 0,
+        "shape": vents,
+    }
 ]
 
 
diff --git a/notebook_nueva/left_side.stl b/notebook_nueva/left_side.stl
index 16afaa5..68c8469 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 b816deb..3bfd904 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 dfbed79..6302030 100644
--- a/notebook_nueva/modelo.py
+++ b/notebook_nueva/modelo.py
@@ -5,7 +5,7 @@ import audio_plug
 import battery_holder
 import usb_hub
 import zero_holder as cpu_holder
-from utils import extrude_shape, punch_hole
+from utils import extrude_shape, punch_hole, punch_hole2
 
 # Base for the notebook. Basically a kbd base that extends back
 # as much as possible
@@ -89,8 +89,8 @@ cpu_offset_x = 160
 cpu_offset_y = 25
 
 # Battery holder position from back-left corner of the case
-battery_offset_x = 22
-battery_offset_y = 8
+battery_offset_x = 19
+battery_offset_y = 5
 
 # Offset for the USB port from back-right corner of the case
 usb_offset = 48
@@ -205,6 +205,18 @@ def model():
             depth=shell_t,
         )
 
+    for vent in battery_holder.vents:
+        model = punch_hole2(
+            model=model,
+            face="<Z",
+            w=width,
+            h=height,
+            x_offset=battery_offset_x + element["x"],
+            y_offset=shell_t + battery_offset_y + element["y"],
+            hole=vent,
+            depth=shell_t,
+        )
+
     # Battery holder stands and pogo pin holder
     for element in battery_holder.elements:
         model = extrude_shape(
diff --git a/notebook_nueva/utils.py b/notebook_nueva/utils.py
index 227f355..205b1b6 100644
--- a/notebook_nueva/utils.py
+++ b/notebook_nueva/utils.py
@@ -24,3 +24,13 @@ def punch_hole(*, model, face, w, h, x_offset, y_offset, hole, depth):
         )
         .cutBlind(-depth)
     )
+
+
+def punch_hole2(*, model, face, w, h, x_offset, y_offset, hole, depth):
+    return (
+        model.faces(face)
+        .workplane(centerOption="CenterOfBoundBox")
+        .center(-w / 2 + x_offset + hole["x"], -h / 2 + y_offset + hole["y"])
+        .placeSketch(hole["shape"])
+        .cutBlind(-depth)
+    )