diff --git a/avr/devices/n28/enclosure.scad b/avr/devices/n28/enclosure.scad
index 9c4dd78..54e8a88 100644
--- a/avr/devices/n28/enclosure.scad
+++ b/avr/devices/n28/enclosure.scad
@@ -1,7 +1,7 @@
 $fn = 50;
 
-width = 22;
-length = 117;
+width = 24;
+length = 119;
 height = 28;
 
 corner_radius = 2;
@@ -63,36 +63,36 @@ difference() {
     }
 
     // ventilation slits left 1
-    for(i = [(wall_thickness+post_height+2):2:(height-6)]) {
+    for(i = [(wall_thickness+post_height+2):4:(height-6)]) {
         translate([(-width/2)-wall_thickness, (-length/2)+25, i])
-            cube([10, length/4, 1], center=true);
+            cube([10, length/4, 2], center=true);
     }
 
     // ventilation slits left 2
-    for(i = [(wall_thickness+post_height+2):2:(height-6)]) {
+    for(i = [(wall_thickness+post_height+2):4:(height-6)]) {
         translate([(-width/2)-wall_thickness, (length/2)-25, i])
-            cube([10, length/4, 1], center=true);
+            cube([10, length/4, 2], center=true);
     }
 
     // ventilation slits right 1
-    for(i = [(wall_thickness+post_height+2):2:(height-6)]) {
+    for(i = [(wall_thickness+post_height+2):4:(height-6)]) {
         translate([(width/2)-wall_thickness, (-length/2)+25, i])
-            cube([10, length/4, 1], center=true);
+            cube([10, length/4, 2], center=true);
     }
 
     // ventilation slits right 2
-    for(i = [(wall_thickness+post_height+2):2:(height-6)]) {
+    for(i = [(wall_thickness+post_height+2):4:(height-6)]) {
         translate([(width/2)-wall_thickness, (length/2)-25, i])
-            cube([10, length/4, 1], center=true);
+            cube([10, length/4, 2], center=true);
     }
 
     // network connector hole 1
     translate([0, (length/2), post_height+wall_thickness+2+8])
-        cube([16, 21, 15], center=true);
+        cube([17, 21, 15], center=true);
 
     // network connector hole 2
     translate([0, (-length/2), post_height+wall_thickness+2+8])
-        cube([16, 21, 15], center=true);
+        cube([17, 21, 15], center=true);
 
     // sensor hole
     translate([(width/2), -7, post_height+wall_thickness+2+8])