diff --git a/planter.scad b/planter.scad
index 7a3442a..dca8f93 100644
--- a/planter.scad
+++ b/planter.scad
@@ -88,8 +88,11 @@ module bottom() {
             half_sphere(d = full_diameter);
         }
 
-        scale([1, 1, 0.2])
-        half_sphere(d = diameter);
+        rotate([0, -90, 0])
+        chop_off(full_diameter / 2 * bottom_roundness_percent / 100 - thickness, thickness) {
+            rotate([0, 90, 0])
+            half_sphere(d = diameter);
+        }
     }
 }