diff --git a/hardware/mcopy_projector_mega_shield.fzz b/hardware/mcopy_projector_mega_shield.fzz
index f9fc366..13dbc19 100644
Binary files a/hardware/mcopy_projector_mega_shield.fzz and b/hardware/mcopy_projector_mega_shield.fzz differ
diff --git a/scad/cable_protector.scad b/scad/cable_protector.scad
index d94130b..ff6912f 100644
--- a/scad/cable_protector.scad
+++ b/scad/cable_protector.scad
@@ -4,7 +4,7 @@ module m3_bolt(pos = [0, 0, 0], rot = [0, 0, 0], cap = 10, bolt = 20) {
     $fn = 40;
     translate(pos) rotate(rot) {
         translate([0, 0, (cap / 2) - 0.1]) cylinder(r = R(6), h = cap, center = true);
-        translate([0, 0, -bolt / 2]) cylinder(r = R(3), h = bolt, center = true);
+        translate([0, 0, -bolt / 2]) cylinder(r = R(3.15), h = bolt, center = true);
     }
 }