diff --git a/src/main/org/insa/graphics/drawing/overlays/PaintUtils.java b/src/main/org/insa/graphics/drawing/overlays/PaintUtils.java
index 3056bbe..427f004 100644
--- a/src/main/org/insa/graphics/drawing/overlays/PaintUtils.java
+++ b/src/main/org/insa/graphics/drawing/overlays/PaintUtils.java
@@ -22,11 +22,17 @@ public class PaintUtils {
      * @param width
      * @return
      */
-    public static int getStrokeWidth(int width, byte zoomLevel) {
-        int mul = 2;
-        if (zoomLevel < 8) {
+    public static float getStrokeWidth(int width, byte zoomLevel) {
+        float mul = 1;
+        if (zoomLevel < 6) {
             mul = 1;
         }
+        else if (zoomLevel < 10) {
+            mul += (zoomLevel - 5) * 0.5;
+        }
+        else if (zoomLevel < 13) {
+            mul = 3.5f;
+        }
         else {
             mul += 2 * (zoomLevel - 8) / 3;
         }