diff --git a/case/case.scad b/case/case.scad
index 0b978d5..beb6840 100644
--- a/case/case.scad
+++ b/case/case.scad
@@ -80,8 +80,8 @@ module keyboard_base_plate(pcb_width, pcb_length) {
         color(case_color)
         translate(translation)
         difference() {
-            cylinder(h=h, r=d1/2.0);
-            cylinder(h=h, r=d2/2.0);
+            cylinder(h=h, r1=(d1/2.0) * 1.5);
+            cylinder(h=h, r= d2/2.0);
         }
     }