diff --git a/case/params.scad b/case/params.scad
index 7e1bf09..cdfe154 100644
--- a/case/params.scad
+++ b/case/params.scad
@@ -33,10 +33,6 @@ keyboard_y_offset = 12.2500;
 screw_post_diameter_inner  =  3.00;
 // Top case screw post outer diameter
 screw_post_diameter_outer  =  6.25;
-// Top case corner screw post height
-screw_post_corner_height   = 12.00;
-// Top case middle screw post height
-screw_post_middle_height   = 29.30;
 
 /* [Render settings] */
 // Number of facets on cylinders
diff --git a/case/top.scad b/case/top.scad
index 6a3c469..d4df50c 100644
--- a/case/top.scad
+++ b/case/top.scad
@@ -21,6 +21,8 @@ module top_case(with_keyboard=false, as_flat=false) {
     screw_post_middle_y_offset = screw_post_lower_y_offset  + 65.00;
     screw_post_upper_y_offset  = screw_post_middle_y_offset + 65.00;
     screw_post_x_offset        = (keyboard_x_offset - 2 * wall_width) / 2 + wall_width;
+    screw_post_corner_height   = 12.00;
+    screw_post_middle_height   = 29.30;
 
     screw_posts = [
         /* Upper row */