diff --git a/usb3_conv.scad b/usb3_conv.scad
index 755c055..ea7e2c7 100644
--- a/usb3_conv.scad
+++ b/usb3_conv.scad
@@ -2,38 +2,39 @@
 
 base_h = 2.4;
 dcdc_h = 1.4;
+usb_h = 1.9;
 
 color([0, 0.8, 0]) {
     cube(size=[42, 30, 1.5]);
-    translate([-2-15, 2.5, -(5-1.5)]) cube(size=[15, 25, dcdc_h]);
-    translate([0.5, 30-14+2, -(5-1.5)]) cube(size=[11, 14, 10]);
-    translate([42-13.5-12, 30, -(5-1.5)]) cube(size=[12, 2, 8]);
-    translate([42-13.5-12/2, 40, -(5-1.5)+8/2]) rotate([90, 0, 0]) cylinder(r=6.5/2, $fn=32, h=8);
-    translate([42-13.5-12/2, 30, -(5-1.5)+8/2]) rotate([90, 0, 0]) cylinder(r=5/2, $fn=32, h=3);
-    translate([0.5+9/2, 40, 10/2-(5-1.5)]) rotate([90, 0, 0]) cylinder(r=9/2, $fn=32, h=8);
+    translate([-2-15, 2.5, -(5-usb_h)]) cube(size=[15, 25, dcdc_h]);
+    translate([0.5, 30-14+2, -(5-usb_h)]) cube(size=[11, 14, 10]);
+    translate([42-13.5-12, 30, -(5-usb_h)]) cube(size=[12, 2, 8]);
+    translate([42-13.5-12/2, 40, -(5-usb_h)+8/2]) rotate([90, 0, 0]) cylinder(r=6.5/2, $fn=32, h=8);
+    translate([42-13.5-12/2, 30, -(5-usb_h)+8/2]) rotate([90, 0, 0]) cylinder(r=5/2, $fn=32, h=3);
+    translate([0.5+9/2, 40, 10/2-(5-usb_h)]) rotate([90, 0, 0]) cylinder(r=9/2, $fn=32, h=8);
 }
 difference()
 {
     union()
     {
-        translate([-2*2-15, 0, -(5-1.5+base_h)]) cube(size=[42+2*3+15, 30+2*2, base_h]);
+        translate([-2*2-15, 0, -(5-usb_h+base_h)]) cube(size=[42+2*3+15, 30+2*2, base_h]);
 
-        translate([-2*2-15, 0, -(5-1.5+base_h)]) cube(size=[2+0.5, 30+2*2, base_h+dcdc_h+2]);
-        translate([-2-0.5, 0, -(5-1.5+base_h)]) cube(size=[2+0.5, 30+2*2, base_h+dcdc_h+2]);
+        translate([-2*2-15, 0, -(5-usb_h+base_h)]) cube(size=[2+0.5, 30+2*2, base_h+dcdc_h+2]);
+        translate([-2-0.5, 0, -(5-usb_h+base_h)]) cube(size=[2+0.5, 30+2*2, base_h+dcdc_h+2]);
 
-        translate([-2, 5, -(5-1.5+base_h)]) cube(size=[2+1, 11, 5+base_h+2]);
-        translate([-2, 0, -(5-1.5+base_h)]) cube(size=[2, 30+2*2, 5+base_h]);
+        translate([-2, 5, -(5-usb_h+base_h)]) cube(size=[2+1, 11, 5+base_h+2]);
+        translate([-2, 0, -(5-usb_h+base_h)]) cube(size=[2, 30+2*2, 5+base_h]);
 
-        translate([42-1, 5, -(5-1.5+base_h)]) cube(size=[2+1, 30-5, 5+base_h+2]);
-        translate([42, 0, -(5-1.5+base_h)]) cube(size=[2, 30+2*2, 5+base_h]);
+        translate([42-1, 5, -(5-usb_h+base_h)]) cube(size=[2+1, 30-5, 5+base_h+2]);
+        translate([42, 0, -(5-usb_h+base_h)]) cube(size=[2, 30+2*2, 5+base_h]);
 
-        translate([42-13.5-12-2, 30-2, -(5-1.5+base_h)]) cube(size=[12+2*2, 6, 3]);
-        translate([-2*2-15, 30+2, -(5-1.5)]) cube(size=[42+2*3+15, 2, 8/2]);
+        translate([42-13.5-12-2, 30-2, -(5-usb_h+base_h)]) cube(size=[12+2*2, 6, 3]);
+        translate([-2*2-15, 30+2, -(5-usb_h)]) cube(size=[42+2*3+15, 2, 8/2]);
     }
-    translate([0, -1, 0]) cube(size=[42, 30+2, 1.5]);
-    translate([-2-15.25, -2, -(5-1.5)]) cube(size=[15.5, 30+2+2, dcdc_h]);
-    translate([42-13.5-12, 30, -(5-1.5)]) cube(size=[12, 2, 8]);
-    translate([42-13.5-12/2, 40-1, -(5-1.5)+8/2]) rotate([90, 0, 0]) cylinder(r=6.5/2, $fn=32, h=8+1);
-    translate([42-13.5-12/2, 30, -(5-1.5)+8/2]) rotate([90, 0, 0]) cylinder(r=5/2, $fn=32, h=3);
-    translate([0.5+9/2, 40-1, 10/2-(5-1.5)]) rotate([90, 0, 0]) cylinder(r=9/2, $fn=32, h=8+1);
+    translate([0, -1, 0]) cube(size=[42, 30+2, usb_h]);
+    translate([-2-15.25, -2, -(5-usb_h)]) cube(size=[15.5, 30+2+2, dcdc_h]);
+    translate([42-13.5-12, 30, -(5-usb_h)]) cube(size=[12, 2, 8]);
+    translate([42-13.5-12/2, 40-1, -(5-usb_h)+8/2]) rotate([90, 0, 0]) cylinder(r=6.5/2, $fn=32, h=8+1);
+    translate([42-13.5-12/2, 30, -(5-usb_h)+8/2]) rotate([90, 0, 0]) cylinder(r=5/2, $fn=32, h=3);
+    translate([0.5+9/2, 40-1, 10/2-(5-usb_h)]) rotate([90, 0, 0]) cylinder(r=9/2, $fn=32, h=8+1);
 }