diff --git a/pcb/10W/TransportProtection.scad b/pcb/10W/TransportProtection.scad
index 9895101943121a179e9c29841399e533a54a203b..86f36450ff8491625c66911129d90554a9c5f3b6 100644
--- a/pcb/10W/TransportProtection.scad
+++ b/pcb/10W/TransportProtection.scad
@@ -46,18 +46,31 @@ module pcb3D(wi, hi, ri, height=1.6, off=pcb_off) {
 
 module body(wi, hi, ri, height=pcb_t, off=pcb_off, _str=box_str) {
 
-  outer_w = wi;
+
+  // clipDisplacementX
+  clDsX = wi/2 + off + _str;
 
   difference() {
     pcb3D(wi, hi, ri, height=height, off=_str);
     
     translate([0, 0, _str]) pcb3D(wi, hi, ri, height=height, off=off);
     
-    for (tx=[-outer_w/2]) translate([tx, 0, height/2]) rotate([0, 0, 0]) clipReceptacle();
+    //for (tx=[-clDsX, clDsX]) translate([tx, 0, height/2]) rotate([0, 0, 0]) clipReceptacle();
   }
 }
 
 
+module outerRing(w=pcb_w, h=pcb_h, r=pcb_r, off=pcb_off, _str=box_str) {
+
+  s2 = _str/2;
+
+  difference() {
+    pcb3D(w,    h,    r, off=off);
+    pcb3D(w-s2, h-s2, r, off=off);
+  }
+}
+
+translate([0, 0, 10]) outerRing();
 
 module PCBMockUp(w=pcb_w, h=pcb_h, r=pcb_r, off_xy=pcb_sc_off) {