diff --git a/pcb/10W/TransportProtection.scad b/pcb/10W/TransportProtection.scad
index 760659ff13a39e61b98f9ac7cb8ee70641c5ff0f..3f70865c507fb404be0c43746e1a8ba925bc2166 100644
--- a/pcb/10W/TransportProtection.scad
+++ b/pcb/10W/TransportProtection.scad
@@ -8,16 +8,17 @@ $fa = 1.0;
 
 
 
-pcb_w      = 40.5;
-pcb_h      = 67.5;
-pcb_r      =    5;  // edge radius
-pcb_off    =  0.4;
-pcb_t      =    5;  // thickness including LED and inductor
-pcb_sc_off =    5;  // offset of screw holes from edge
-pcb_conn_w =   20;
-pcb_conn_h =    3;
+pcb_w      =      40.5;
+pcb_h      =      67.5;
+pcb_r      =         5;  // edge radius
+pcb_off    =       0.4;
+pcb_t      =      5 +1;  // thickness including LED and inductor
+pcb_sc_off =         5;  // offset of screw holes from edge
+pcb_conn_w =        20;
+pcb_conn_h =         3;
 
-box_str    =    3;  // Material strength
+box_str    =         3;  // Material strength
+box_h      = pcb_t + 2;
 
 
 module pcb(w=pcb_w, h=pcb_h, r=pcb_r, off=pcb_off) {
@@ -134,9 +135,9 @@ module outerRing(w=pcb_w, h=pcb_h, r=pcb_r, off=pcb_off, _str=box_str) {
 
 TpOrChamfer = 3;
 
-module TransportProtection(w=pcb_w, h=pcb_h, r=pcb_r, height=pcb_t, off=pcb_off, _str=box_str) {
+module TransportProtection(w=pcb_w, h=pcb_h, r=pcb_r, height=pcb_t, off=pcb_off, _str=box_str, _boxH=box_h) {
 
-  _h = height + 2;
+  _h = _boxH + 2;
 
   difference() {
     body(w, h, r, _h, off, _str);