diff --git a/plm/views/ir_attachment_view.xml b/plm/views/ir_attachment_view.xml
index 71b75a03..0d098143 100755
--- a/plm/views/ir_attachment_view.xml
+++ b/plm/views/ir_attachment_view.xml
@@ -107,7 +107,7 @@
 								icon="fa-bars"/>
 						<button name="open_related_document_revisions"
 						        type="object"
-						        string="BOM Rev."
+						        string="N.Rev."
 						        class="oe_stat_button"
 						        icon="fa-tasks"
 						        invisible="engineering_revision_count &lt;=1">
diff --git a/plm_web_3d/static/src/css/OdooCADApplication.css b/plm_web_3d/static/src/css/OdooCADApplication.css
index a8da8249..aef404f8 100644
--- a/plm_web_3d/static/src/css/OdooCADApplication.css
+++ b/plm_web_3d/static/src/css/OdooCADApplication.css
@@ -286,7 +286,14 @@ div.info_header{
 #click_show:hover{
   background-color:gray;
 }
-
+#tree_structure{
+  margin-left: auto;
+  margin-right: auto;
+  overflow-y: scroll;
+  overflow-x: hidden;
+  width: 100%;
+  height: 500px;
+}
 li.attribute_info{
     text-align: left;
 }
diff --git a/plm_web_3d/static/src/js/lib/odoocad/odoocad.js b/plm_web_3d/static/src/js/lib/odoocad/odoocad.js
index 1a209be2..7662c1d0 100644
--- a/plm_web_3d/static/src/js/lib/odoocad/odoocad.js
+++ b/plm_web_3d/static/src/js/lib/odoocad/odoocad.js
@@ -101,7 +101,7 @@ class OdooCAD{
         //
 		create_relation_structure(object){
             var self = this;
-            var html_out = "<div class='tree_structure'>";
+            var html_out = "<div class='tree_structure' style='overflow-y: scroll;min-height: 1px;max-height: 400px;'>";
             for (let i = 0; i < object.children.length; i++) {
                   if (object.children[i].type=='Group'){
                     const [inner_html, _children] = self.get_li_structure(object.children[i]);