diff --git a/notebook_nueva/components/keyboard.py b/notebook_nueva/components/keyboard.py
index d1caaa7..9e7dcfa 100644
--- a/notebook_nueva/components/keyboard.py
+++ b/notebook_nueva/components/keyboard.py
@@ -9,6 +9,11 @@ kbd_back_thickness = 0
 kbd_front_thickness = 0
 kbd_actual_height = 0
 kbd_angle = 0
+kbd_pillar_offset_1 = 0
+kbd_pillar_radius_1 = 0
+kbd_pillar_offset_2 = 0
+kbd_pillar_radius_2 = 0
+kbd_screw_radius = 0
 
 
 def init():
@@ -19,19 +24,19 @@ def init():
         {
             "x": 0,
             "y": 0,
-            "z": 5.5,
-            "shape": cq.Sketch().push(kbd_pillar_positions).circle(5, mode="a"),
+            "z": kbd_pillar_offset_1,
+            "shape": cq.Sketch().push(kbd_pillar_positions).circle(kbd_pillar_radius_1, mode="a"),
         },
         # Taller pillars with holes for self-tapping screws
         {
             "x": 0,
             "y": 0,
-            "z": 2.5,
+            "z": kbd_pillar_offset_2,
             "shape": (
                 cq.Sketch()
                 .push(kbd_pillar_positions)
-                .circle(2.4, mode="a")
-                .circle(1.1, mode="s")
+                .circle(kbd_pillar_radius_2, mode="a")
+                .circle(kbd_screw_radius, mode="s")
             ),
         },
     ]
diff --git a/notebook_nueva/dimensions.py b/notebook_nueva/dimensions.py
index 15f4003..71fb19c 100644
--- a/notebook_nueva/dimensions.py
+++ b/notebook_nueva/dimensions.py
@@ -41,6 +41,11 @@ keyboard.kbd_pillar_positions = [
     (145.5, 82.5),
     (keyboard.kbd_width - 19, 79.5),
 ]
+keyboard.kbd_pillar_offset_1 = 5.5
+keyboard.kbd_pillar_radius_1 = 5
+keyboard.kbd_pillar_offset_2 = 2.5
+keyboard.kbd_pillar_radius_2 = 2.4
+keyboard.kbd_screw_radius = 1.1
 keyboard.init()
 
 ## Screen dimensions
diff --git a/notebook_nueva/tandy_lid.stl b/notebook_nueva/tandy_lid.stl
index 5c5bd0b..aa3b9d1 100644
Binary files a/notebook_nueva/tandy_lid.stl and b/notebook_nueva/tandy_lid.stl differ
diff --git a/notebook_nueva/tandy_lid_left.stl b/notebook_nueva/tandy_lid_left.stl
index ac638fd..2245bae 100644
Binary files a/notebook_nueva/tandy_lid_left.stl and b/notebook_nueva/tandy_lid_left.stl differ