diff --git a/scad/cpc_connectors.scad b/scad/cpc_connectors.scad
index 1c951df..0ba73b5 100644
--- a/scad/cpc_connectors.scad
+++ b/scad/cpc_connectors.scad
@@ -40,6 +40,7 @@ module guide (Diameter, Height, Angle, Width) {
 	}
 }
 
+//
 module plug_pin (X, Y, H) {
 	translate([X, Y, 0]) {
 		cylinder(r = R(PlugPinD), h = H, center = true, $fn = 40);
@@ -120,12 +121,18 @@ module flange_guide_void (pos = [0, 0, 0], Z = 8) {
 module cpc_9pin_socket () {
 	$fn = FN;
     BaseH = 3;
-	PinH = SocketH + BaseH + 1;
-	BoltVoid = 32;
+	
+	BoltVoid = 26;
+	BackingH = 8;
+	BackingD = 17;
+
+	PinH = SocketH + BaseH + BackingH + 10;
+
 	difference () {
         union () {
             cylinder(r = R(SocketOuterD), h = SocketH + BaseH, center = true);
-            translate([0, 0, -((SocketH + BaseH) / 2) + (BaseH / 2)]) rounded_cube([40, 40, BaseH], d = 6, center = true, $fn = 30);
+            translate([0, 0, -((SocketH + BaseH) / 2) + (BaseH / 2)]) rounded_cube([34, 34, BaseH], d = 6, center = true, $fn = 40);
+        	translate([0, 0, - (BaseH / 2) - BackingH]) cylinder(r = R(BackingD), h = BackingH, center = true);
         }
 		translate([0, 0, BaseH]) {
 			cylinder(r = R(SocketD), h = SocketH + BaseH, center = true);
diff --git a/scad/projector_controller.scad b/scad/projector_controller.scad
index a6ce9ca..1e921db 100644
--- a/scad/projector_controller.scad
+++ b/scad/projector_controller.scad
@@ -1,7 +1,7 @@
 include <arduino.scad>;
 include <common/common.scad>;
 
-PART="electronics_mount";
+PART="usb_protector";
 
 CaseX = 121;
 CaseY = 172;
@@ -255,10 +255,20 @@ module electronics_mount () {
 	}
 }
 
+module usb_protector () {
+    H = 3;
+    difference () {
+        rounded_cube([IN, IN, H], d = 5, center = true, $fn = 40);
+        cube([11.75, 11.75, H + 1], center = true);
+    }
+}
+
 if (PART == "electronics_mount") {
 	electronics_mount();
 } else if (PART == "case_mounts") {
 	case_mounts();
+} else if (PART == "usb_protector") {
+    usb_protector();
 } else {
 	debug();
 }
\ No newline at end of file