PSU fan shroud for Ender-3

Basically I am trying to come up with a design that reduce the noice on the PSU fan on my ender-3. I dont want to change the fan nor I want to screw anything on. Hence therefore my design. You will need 2 button magnets of diameter 10mm and thickness about 1.8 to 2mm.

The fan cover will snap on to the stainless steel screws that is currently securing the fan now on the PSU. The air flow is also redirected to the back of the printer instead to the side.