diff --git a/src/main/java/cactusServer/models/StageManager.java b/src/main/java/cactusServer/models/StageManager.java
index ba6f248..75987e8 100644
--- a/src/main/java/cactusServer/models/StageManager.java
+++ b/src/main/java/cactusServer/models/StageManager.java
@@ -1,5 +1,7 @@
 package cactusServer.models;
 
+import java.util.HashSet;
+
 import javax.inject.Singleton;
 
 import org.ntlab.radishforandroidstudio.framework.model3D.Model3D;
@@ -7,7 +9,7 @@
 @Singleton
 public class StageManager {
 	private static StageManager theInstance = null;
-
+	private HashSet<Model3D> model = new HashSet<>();
 	private StageManager() {
 
 	}