diff --git a/back/object/models.py b/back/object/models.py
index 1e52b30..48b7ee3 100644
--- a/back/object/models.py
+++ b/back/object/models.py
@@ -19,6 +19,8 @@ class Element3D(models.Model):
     model_file = models.FileField(upload_to=group_based_upload_to)
     name = models.CharField(max_length=255)
     description = models.TextField()
+    bool = models.BooleanField( blank=True, null=True)
+    
 
     def __str__(self):
         return self.name