diff --git a/avr/devices/n28/enclosure.scad b/avr/devices/n28/enclosure.scad
index 38b9d24..72ed69c 100644
--- a/avr/devices/n28/enclosure.scad
+++ b/avr/devices/n28/enclosure.scad
@@ -10,7 +10,7 @@ post_diameter = 8;
 post_height = 0;
 
 hole_diameter = 3;
-lid_thickness = 3;
+lid_thickness = 1.9;
 lid_lip = 1 ;
 lid_tolerance = .5;
 
@@ -65,34 +65,34 @@ difference() {
     // ventilation slits left 1
     for(i = [(wall_thickness+post_height+3):4:(height-5)]) {
         translate([(-width/2)-wall_thickness, (-length/2)+25, i])
-            cube([10, length/4, 2], center=true);
+            cube([10, length/5, 2], center=true);
     }
 
     // ventilation slits left 2
     for(i = [(wall_thickness+post_height+3):4:(height-5)]) {
         translate([(-width/2)-wall_thickness, (length/2)-25, i])
-            cube([10, length/4, 2], center=true);
+            cube([10, length/5, 2], center=true);
     }
 
     // ventilation slits right 1
     for(i = [(wall_thickness+post_height+3):4:(height-5)]) {
         translate([(width/2)-wall_thickness, (-length/2)+25, i])
-            cube([10, length/4, 2], center=true);
+            cube([10, length/5, 2], center=true);
     }
 
     // ventilation slits right 2
     for(i = [(wall_thickness+post_height+3):4:(height-5)]) {
         translate([(width/2)-wall_thickness, (length/2)-25, i])
-            cube([10, length/4, 2], center=true);
+            cube([10, length/5, 2], center=true);
     }
 
     // network connector hole 1
-    translate([0, (length/2), wall_thickness+2+8])
-        cube([17, 6, 16], center=true);
+    translate([0, (length/2), wall_thickness+2+10])
+        cube([17, 6, 20], center=true);
 
     // network connector hole 2
-    translate([0, (-length/2), wall_thickness+2+8])
-        cube([17, 6, 16], center=true);
+    translate([0, (-length/2), wall_thickness+2+10])
+        cube([17, 6, 20], center=true);
 
     // sensor hole
     translate([(width/2), -7, wall_thickness+2+6])