An Standards Asset Library
Installation
The simplest method is to copy the .blend file to your Blender User Library.
(Recommended)
If you would like to take advantage of additional organization, make a folder on your drive, copy both the .blend file and the “blender_assets.cats.txt” file to that new folder. In Blender under Preferences/File Paths, add that folder to Asset Libraries.
Version
Several assets are comprised of multiple objects. It is recommended to use at least Blender v3.4 to take full advantage of the Asset Browser.
Usage
Simply change one of your Areas in Blender to Asset Brower, select AN_Standards as the library to view, select item you want and drag-n-drop it onto the Viewport. Alternately you may Append or Link any Object into your working Scene.