diff --git a/openscad/own/kitt-matrix/src/kitt-matrix.scad b/openscad/own/kitt-matrix/src/kitt-matrix.scad
index 66900fb..8db9f8d 100644
--- a/openscad/own/kitt-matrix/src/kitt-matrix.scad
+++ b/openscad/own/kitt-matrix/src/kitt-matrix.scad
@@ -8,11 +8,11 @@ https://git.kostianix.de/zeus/3d-stuff/src/branch/main/openscad/own/kitt-matrix
 // VARS:
 $fn=25;         // overall render quality
 q=0.01;         // only used to get rid of visual glitches. can be set to 0 for productive exports.
-mt=9;           // material thickness, NOT overall thickness in case of a rim!
+mt=10;           // material thickness, NOT overall thickness in case of a rim!
 pt=3;           // panel thickness
 mt_inner=2;     // constrained wall thickness for inside-walls between LEDs
-panel_w=67;     // overall width of led panel
-panel_h=66;     // same for height
+panel_w=68;     // overall width of led panel
+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)
@@ -81,7 +81,7 @@ module panelholder(){
                     (panel_h+mt)/2-conhole_offset]
         )
             translate([pos_x,pos_y,-1])
-                #cylinder(d=conhole_i_d,h=(panel_t+(panel_t_led*3)+q),center=true);
+                cylinder(d=conhole_i_d,h=(panel_t+(panel_t_led*3)+q),center=true);
     }
 }
 
@@ -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*1.75,100,30],center=true);
+    translate([panel_h/2+mt,0,-5])cube([mt*2,100,30],center=true);
 }
\ No newline at end of file
diff --git a/openscad/own/kitt-matrix/stl/kitt-matrix_draft2.stl b/openscad/own/kitt-matrix/stl/kitt-matrix_draft2.stl
new file mode 100644
index 0000000..5183b0f
Binary files /dev/null and b/openscad/own/kitt-matrix/stl/kitt-matrix_draft2.stl differ