diff --git a/gridfinity-rebuilt-holes.scad b/gridfinity-rebuilt-holes.scad
index 5dab15e..920d3b3 100644
--- a/gridfinity-rebuilt-holes.scad
+++ b/gridfinity-rebuilt-holes.scad
@@ -101,7 +101,8 @@ module refined_hole() {
     ptl = refined_offset + LAYER_HEIGHT; // Additional layer just in case
     poke_through_height = REFINED_HOLE_HEIGHT + ptl;
     poke_hole_radius = 2.5;
-    poke_hole_center = [-12.53 + 5.60, 0, -ptl];
+    magic_constant = 5.60;
+    poke_hole_center = [-12.53 + magic_constant, 0, -ptl];
 
     translate([0, 0, refined_offset])
     union() {
@@ -112,7 +113,7 @@ module refined_hole() {
 
         // Poke hole
         translate([poke_hole_center.x, -poke_hole_radius/2, poke_hole_center.z])
-        cube([abs(poke_hole_center.x), poke_hole_radius, poke_through_height]);
+        cube([10 - magic_constant, poke_hole_radius, poke_through_height]);
         translate(poke_hole_center)
         cylinder(poke_through_height, d=poke_hole_radius);
     }