No one&#x27;s claiming it has any practical use case, this is really just a toy.<p>Though, one use case might be to have a 3D environment where in-game menus are made with the DOM. Maybe in a virtual reality thing, or a rotating cube interface: <a href="http:&#x2F;&#x2F;ux.stackexchange.com&#x2F;questions&#x2F;11229&#x2F;is-this-rotating-cube-interface-user-friendly" rel="nofollow">http:&#x2F;&#x2F;ux.stackexchange.com&#x2F;questions&#x2F;11229&#x2F;is-this-rotating...</a>