Personal Cooler
thingiverse
This device essentially functions as a compact fan and battery pack that securely attaches to your waistband. My own creation utilizes a 60mm fan salvaged from a non-functional server power supply unit. For further information, I recommend watching the accompanying video at https://youtu.be/Ca3mxkI2UXQ.
Download Model from thingiverse
With this file you will be able to print Personal Cooler 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 Personal Cooler.