diff --git a/3D_Models/Holder.scad b/3D_Models/Holder.scad
--- a/3D_Models/Holder.scad
+++ b/3D_Models/Holder.scad
@@ -4,11 +4,11 @@ overall_thickness = 15;
 neopixel_holder_thickness = 7.5;
 translucent_disk_thickness = overall_thickness - neopixel_holder_thickness;
 
-ring_24_outer_diameter = 65.6;
-ring_24_inner_diameter = 52.3;
+ring_24_outer_diameter = 65.6 + 0.5;
+ring_24_inner_diameter = 52.3 - 0.5;
 
-ring_12_outer_diameter = 36.8;
-ring_12_inner_diameter = 23.3;
+ring_12_outer_diameter = 36.8 + 0.5;
+ring_12_inner_diameter = 23.3 - 0.5;
 
 ring_thickness = 6.7;
 ring_z_offset = neopixel_holder_thickness - ring_thickness;
@@ -42,26 +42,11 @@ module neopixel_holder() {
                 ring(h=ring_thickness+1, od=d[0], id=d[1]);
         
         channel();
-        
-        for (y=[0, 1])
-            mirror([0, y, 0])
-                mirror([1, 1, 0])
-                    translate([alignment_pin_position, -2, ring_z_offset])
-                        cube([5, 4, ring_thickness+1]);
-           
-    };
-
+    }
 };
 
 module translucent_disk() {
     cylinder(h=translucent_disk_thickness, d=overall_outer_diameter);
-    
-    
-    for (y=[0, 1])
-            mirror([0, y, 0])
-                mirror([1, 1, 0])
-                    translate([alignment_pin_position, -(4-0.2)/2, translucent_disk_thickness])
-                        cube([3, 4-0.2, neopixel_holder_thickness -ring_z_offset]);
     for (x=[0, 1])
         mirror([x, 0, 0])
             translate([alignment_pin_position, -(4-0.2)/2, translucent_disk_thickness])