diff --git a/openscad/foreign/sc808/io-shield-ports.png b/openscad/foreign/sc808/io-shield-ports.png
index ada7a1c..cb9863b 100644
Binary files a/openscad/foreign/sc808/io-shield-ports.png and b/openscad/foreign/sc808/io-shield-ports.png differ
diff --git a/openscad/foreign/sc808/io-shield-ports.stl b/openscad/foreign/sc808/io-shield-ports.stl
index c1dd384..65fb6fc 100644
Binary files a/openscad/foreign/sc808/io-shield-ports.stl and b/openscad/foreign/sc808/io-shield-ports.stl differ
diff --git a/openscad/foreign/sc808/io-shield.scad b/openscad/foreign/sc808/io-shield.scad
index bb3cc1d..a7978e4 100644
--- a/openscad/foreign/sc808/io-shield.scad
+++ b/openscad/foreign/sc808/io-shield.scad
@@ -62,8 +62,8 @@ p_vga_cut_z=mt;
 p_vga_cut_x_offset=0;
 p_vga_cut_y_offset=0;
 //port slot:
-p_slot_hole_dist=30;
-p_slot_hole_dia=mt*3;
+p_slot_hole_dist=27.5;
+p_slot_hole_dia=7.5;
 // #####################################
 // MODEL:
 // mounting holes around the shield perimeter
@@ -189,16 +189,19 @@ module shield_grill(){
 module shield_ports(){
     difference(){
         shield_2();
-        translate([-75,-1,-3*mt-q])rotate([0,0,-90])#port_ethernet();
-        translate([-37.5,-1,-3*mt-q])rotate([0,0,-90])#port_ethernet();
-        translate([22.5,-1,-3*mt-q])rotate([0,0,-90])#port_ethernet();
-        translate([50,0,-3*mt-q])rotate([0,0,-90])#port_usb();
-//flipped and embossed so that only 1mm of the plate thickness is left, due to the way, d-sub is mounted, and no support is needed for printing
-        translate([75,-1,-mt-(mt-1)])rotate([180,0,-90])#port_vga(); 
-        // slots
-        for (x=[-60,-52.5,-22.5,-15,-7.5,7.5,37.5,62.5]){
+        for (x=[-66,-39,-8,8,38.5,47.5,80]){
             translate([x,0,-3*mt-q])rotate([0,0,90])#port_slot();
-        }
+        }        
+//flipped and embossed so that only 1mm of the plate thickness is left, due to the way, d-sub is mounted, and no support is needed for printing
+        translate([-78,-1,-mt-(mt-1)])rotate([180,0,-90])#port_vga();        
+        translate([-52.5,0,-3*mt-q])rotate([0,0,-90])#port_usb();        
+        translate([-23,-1,-3*mt-q])rotate([0,0,-90])#port_ethernet();
+        translate([22.5,-1,-3*mt-q])rotate([0,0,-90])#port_ethernet();
+        translate([63.5,-1,-3*mt-q])rotate([0,0,-90])#port_ethernet();
+
+ 
+        // slots
+
     }
 }
 // #####################################