diff --git a/commands/drawDesign.cjs b/commands/drawDesign.cjs
index 0689804..1685d48 100644
--- a/commands/drawDesign.cjs
+++ b/commands/drawDesign.cjs
@@ -174,8 +174,8 @@ function design4(input) {
 				for (let j = 0; j <= 2 * radius; j++) {
 
 					dist = Math.sqrt(
-						(i - radius / 2) * (i - radius / 2) +
-						(j - radius) * (j - radius)
+						(i - radius) * (i - radius) +
+						(j - (radius / 2)) * (j - (radius / 2))
 					);
 		
 					// dist should be in the range (radius - 0.5)