If you are thinking about your next DIY project, consider building a simple desktop fan, as it doesn't require a lot of components or tools. We're going to 3D print the various parts of our fan—if you don’t have a 3D printer, you could use cardboard instead, although it won't be as durable.
How to Build a Simple Desktop Fan
Whether you construct it from 3D printed parts or cardboard, this low-cost DIY desktop fan will keep you and your devices cool.