diff --git a/rcg_pipeline/rcg_pipeline/render_asset.py b/rcg_pipeline/rcg_pipeline/render_asset.py
index 2d5480b..d6954dc 100644
--- a/rcg_pipeline/rcg_pipeline/render_asset.py
+++ b/rcg_pipeline/rcg_pipeline/render_asset.py
@@ -71,7 +71,7 @@ def assembly_builder(item, libs_data, libs_data_dir, collection=None, parent=Non
     if item['type'] == 'LOCATOR':
         item_obj = bpy.data.objects.new(item['name'], None)
         item_obj.empty_display_type = 'CUBE'
-        item_obj.empty_display_size = 0.01
+        item_obj.empty_display_size = 0.0005
         collection.objects.link(item_obj)
 
     elif item['type'] == 'LCS':
@@ -117,7 +117,7 @@ def assembly_builder(item, libs_data, libs_data_dir, collection=None, parent=Non
             if local_obj:
                 local_obj[0].name = item['base_name']
         item_obj.empty_display_type = 'PLAIN_AXES'
-        item_obj.empty_display_size = 0.01
+        item_obj.empty_display_size = 0.0005
 
     else:
         logger.error('Unknown object type %s of %s', item['type'], item['name'])
@@ -190,6 +190,8 @@ def assembly_rebuilder():
 def build_render_assets(project_dir):
     '''
     '''
+    assets_data = []
+
     libs_data_path = os.path.join(project_dir, 'libs.json')
     if not os.path.exists(libs_data_path):
         raise Exception('No libs database found! Check %s directory' % project_dir)
@@ -236,5 +238,19 @@ def build_render_assets(project_dir):
         bpy.ops.wm.save_as_mainfile(filepath=blend_path)
         logger.info('Render asset %s generated!', tree_item['name'])
 
+        assets_data.append(
+            {
+                'type': 'RENDER',
+                'name': tree_item['name'],
+                'path': os.path.relpath(blend_path, project_dir),
+                'thumbnail': ''
+            }
+        )
     logger.info('%s Render Assets was generated!', len(tree_item_list))
+    # write db file
+    assets_data_path = os.path.join(project_dir, 'assets.json')
+    with open(assets_data_path, 'w', encoding='utf-8') as assets_data_file:
+        json.dump(assets_data, assets_data_file, ensure_ascii=False, indent=4)
+    logger.info('Database saved successfully to %s!', assets_data_path)
+
     return render_assets_dir