Typing "DIY privacy screen" into Hometalk's search yielded several results; mostly for outdoor screens, at least one for indoor screen. Pinterest might have additional ideas. https://www.hometalk.com/search/posts?filter=DIY%20privacy%20screen
Hi Gaye: You can use a variety of things. And, it depends on if you want one for outdoors or indoors. Here are 2 sites, one for each:)
Here are some nice ones:
Here is some info to help you.