diff --git a/openscad/foreign/modular multi-hdd case/Electronics/HardDisk.png b/openscad/foreign/modular multi-hdd case/Electronics/HardDisk.png
new file mode 100644
index 0000000..8954a13
Binary files /dev/null and b/openscad/foreign/modular multi-hdd case/Electronics/HardDisk.png differ
diff --git a/openscad/foreign/modular multi-hdd case/Electronics/HardDisk.scad b/openscad/foreign/modular multi-hdd case/Electronics/HardDisk.scad
index 4365e00..61064d2 100644
--- a/openscad/foreign/modular multi-hdd case/Electronics/HardDisk.scad	
+++ b/openscad/foreign/modular multi-hdd case/Electronics/HardDisk.scad	
@@ -93,6 +93,7 @@ module separator(thickness = thickness, radius = 5, width = width - padding, len
 //---------------------------------------------------------------
 difference()
 {
+
     boxRounded(width + dt, ty, length + thickness, 1.2, thickness);
     for (n =  [ 0 : count - 1 ])
     {
@@ -145,4 +146,45 @@ difference()
     {
         cube([ width, count * height, dt ], center = true);
     }
+    rotate([90,0,0]){
+    translate([0,0,-25.8+thickness/2+0.1])cube([100,150,thickness+0.2],center=true);
+    }
 }
+
+
+
+hole_dia=4.5;
+rotate([90,0,0]){
+    translate([7.5,0,-25.8+thickness/2+0.1]){
+        difference(){
+            cube([110,103.35,thickness+0.2],center=true);
+            translate([-50,20,0]){
+                #cylinder(d=hole_dia,h=10,center=true);
+                translate([0,-64.45,0])#cylinder(d=hole_dia,h=10,center=true);
+                translate([83.5,20,0])#cylinder(d=hole_dia,h=10,center=true);
+            }
+        }
+    }
+//}
+
+
+
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    }
\ No newline at end of file
diff --git a/openscad/foreign/modular multi-hdd case/HardDisk-backupserver.stl b/openscad/foreign/modular multi-hdd case/HardDisk-backupserver.stl
new file mode 100644
index 0000000..f602e30
Binary files /dev/null and b/openscad/foreign/modular multi-hdd case/HardDisk-backupserver.stl differ