diff --git a/build.gradle b/build.gradle
index c9a694dd54662bd7548e2163109ecac63091d434..fc09c182493ddae4de4c536a77fc7d4776e2b8b7 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,10 +5,10 @@ plugins {
 
 
 application {
-    mainClass = 'fr.univamu.App'
+    mainClass.set('fr.univamu.App')
 }
 
-group 'org.example'
+group 'fr.univamu'
 version '1.0-SNAPSHOT'
 
 repositories {
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index ae04661ee733431762e7ccf8ab9b7409ed44960c..e411586a54a84874f49763fe4742011efc86ca97 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.5.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/src/main/java/fr/univamu/App.java b/src/main/java/fr/univamu/App.java
index 34dbeff7e819051d563bd508684188c036ffc7a7..c8e32357941958cd5649567bc8af6e5852f16405 100644
--- a/src/main/java/fr/univamu/App.java
+++ b/src/main/java/fr/univamu/App.java
@@ -1,6 +1,6 @@
 package fr.univamu;
 
-import fr.univamu.geo.Shape;
+import fr.univamu.geometry.Shape;
 import fr.univamu.svg.SvgElement;
 
 import java.io.FileNotFoundException;
@@ -18,9 +18,9 @@ public class App {
 
   public static void write(Shape shape, String filepath) throws FileNotFoundException {
     makeSvg(shape)
-//        .add(tag("stroke","black"))
-//        .add(tag("stroke-width",0.03))
-//        .add(tag("fill","lightgray"))
+        .add(tag("stroke","black"))
+        .add(tag("stroke-width",0.03))
+        .add(tag("fill","lightgray"))
         .toFile(filepath);
 
   }
diff --git a/src/main/java/fr/univamu/geometry/Shape.java b/src/main/java/fr/univamu/geometry/Shape.java
new file mode 100644
index 0000000000000000000000000000000000000000..9f18b4b50dc3fffb25e428b16a64b5f26defe9de
--- /dev/null
+++ b/src/main/java/fr/univamu/geometry/Shape.java
@@ -0,0 +1,4 @@
+package fr.univamu.geometry;
+
+public interface Shape {
+}