diff --git a/src/bottom-panel.scad b/src/bottom-panel.scad
index f886daa..43fbaa0 100644
--- a/src/bottom-panel.scad
+++ b/src/bottom-panel.scad
@@ -21,7 +21,7 @@ include <components.scad>
 module bottom_panel() {
 	difference() {
 		mirror([0, 0, 1]) topplate();
-		translate([0, 0, top_plate_z/2]) cube([top_plate_x*2/3, top_plate_y*2/3, top_plate_z], center=true);
+		translate([0, 0, top_plate_z/2]) cube([top_plate_x*5/6, top_plate_y*5/6, top_plate_z], center=true);
 	}
 }