diff --git a/Box_Type2_Generator.scad b/Box_Type2_Generator.scad
index 3358f4c..1e51b6b 100644
--- a/Box_Type2_Generator.scad
+++ b/Box_Type2_Generator.scad
@@ -40,7 +40,8 @@ module generate_box(INNER_X, INNER_Y, INNER_Z, WALLSIZE, OVERLAP_Z, NOTCH_WIDTH,
 
             // Box lid
             translate([WALLSIZE, WALLSIZE, INNER_Z+WALLSIZE*4]) {
-                cube([INNER_X, INNER_Y, OVERLAP_Z]);
+                translate([0.5, 0.5, 0])
+                cube([INNER_X-1, INNER_Y-1, OVERLAP_Z]);
                 translate([-WALLSIZE, -WALLSIZE, OVERLAP_Z])
                 cube([INNER_X+WALLSIZE*2, INNER_Y+WALLSIZE*2, WALLSIZE]);
             }