diff --git a/kormoran.scad b/kormoran.scad
index 66e9d3b..18143e6 100644
--- a/kormoran.scad
+++ b/kormoran.scad
@@ -12,7 +12,8 @@ D = 240; // Internal depth
 S = 5;
 F = "IBM Plex Sans Condensed:style=Regular";
 
-translate([200, 0]) {
+// Label
+translate([400, 0]) {
   text("Kormoran", S, F, halign="center");
   translate([0, -S*1.5]) text("8Ω", S, F, halign="center");
   translate([0, -S*3]) text("55W", S, F, halign="center");
@@ -31,7 +32,6 @@ translate([-400, 0]) {
   }
 }
 
-
 // Woofer mounting hole alignment
 translate([-600, 0]) {
   difference()  {
@@ -45,6 +45,30 @@ translate([-600, 0]) {
   }
 }
 
+translate([200, 0]) {
+  difference() {
+    square([W-BD, D+100], center=true);
+
+    // Alignment squares
+    translate([50,0]) rotate(45) square(A, center=true);
+    translate([-50,0]) rotate(45) square(A, center=true);
+    translate([0,150]) rotate(45) square(A, center=true);
+    translate([0,-150]) rotate(45) square(A, center=true);
+
+    // Terminal
+    translate([0, +312/2-82]) {
+      difference() {
+       offset(r=BD/2) square([93, 80], center=true);
+       offset(r=BD/2) square([76, 56], center=true);
+      }
+    }
+
+    // Bass reflex tube
+    translate([0, -312/2+60]) {
+      circle(d=69-0.5+BD, $fn=100);
+    }
+  }
+}
 
 // Front/back groove
 translate([-200, 0]) {