Bladeless fan
thingiverse
Below halfway, I'm stumped on how to envision it. You're the one who should give it some thought!
Download Model from thingiverse
With this file you will be able to print Bladeless fan with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Bladeless fan.