Ironically its not really blade less (fan is actually located in the base of these things). This one is pretty neat build, uses a computer fan to push the air.
https://www.instructables.com/id/3D-Printed-Portable-Bladeless-Fan/
Ironically its not really blade less (fan is actually located in the base of these things). This one is pretty neat build, uses a computer fan to push the air.
https://www.instructables.com/id/3D-Printed-Portable-Bladeless-Fan/