diff --git a/openscad/own/kitt-matrix/src/kitt-matrix.scad b/openscad/own/kitt-matrix/src/kitt-matrix.scad
index c427ee5..627e7ee 100644
--- a/openscad/own/kitt-matrix/src/kitt-matrix.scad
+++ b/openscad/own/kitt-matrix/src/kitt-matrix.scad
@@ -16,10 +16,10 @@ panel_h=67;     // same for height
 panel_t_pcb=1.5;    // height of PCB
 panel_t_led=1.5;    // height of the soldered LED modules
 panel_t=(panel_t_pcb+panel_t_led);    // overall thickness of the PCB+LEDs (~50:50)
-led_spacing_x=8.25;  // center-to-center spacing from LED to next LED, in width/x-axis-direction
+led_spacing_x=8.5;  // center-to-center spacing from LED to next LED, in width/x-axis-direction
 led_spacing_y=8.5;    // same for height/Y-axis
-led_w=6;
-led_h=6;
+led_w=6.75;
+led_h=6.75;
 led_num_x=8;
 led_num_y=8;
 offset_left=((panel_w-((led_num_x*led_w)+((led_num_x-1)*(led_spacing_x-led_w))))/2); // offset on one side (effectively "panel_w-e2e_x/2", but properly calculated)
@@ -129,5 +129,5 @@ difference(){
     }
     for (x=[-10:1:10])
     translate([panel_h,x,-12.5])rotate([0,90,0])rotate([0,0,90])cylinder(h=(2.5*panel_h),d=6,center=true,$fn=6);
-    translate([panel_h/2+mt,0,-5])cube([mt*2,100,30],center=true);
+    translate([panel_h/2+mt,0,-5])cube([mt*2-1.5,100,30],center=true);
 }
\ No newline at end of file
diff --git a/openscad/own/kitt-matrix/stl/kitt-matrix_draft3.stl b/openscad/own/kitt-matrix/stl/kitt-matrix_draft3.stl
new file mode 100644
index 0000000..08d2d83
Binary files /dev/null and b/openscad/own/kitt-matrix/stl/kitt-matrix_draft3.stl differ