diff --git a/notebook_nueva/dimensions.py b/notebook_nueva/dimensions.py
index bde08b3..502091a 100644
--- a/notebook_nueva/dimensions.py
+++ b/notebook_nueva/dimensions.py
@@ -69,6 +69,8 @@ cpu_offset_y = 2
 battery_offset_x = 15
 battery_offset_y = 3
 
+# HDMI out hole from back-left corner of the case
+hdmi_out_offset_x = 138
 
 ## Dimensions for the Tandy lid
 
diff --git a/notebook_nueva/modelo.py b/notebook_nueva/modelo.py
index 2a1493a..4a094d8 100644
--- a/notebook_nueva/modelo.py
+++ b/notebook_nueva/modelo.py
@@ -65,7 +65,7 @@ def model():
         width=dim.width,
         height=dim.height,
         thickness=dim.base_thickness,
-        offset_x=138,
+        offset_x=dim.hdmi_out_offset_x,
         offset_y=0,
         bottom_face=None,
         back_face=">Y",