Blower guard for Prusa i3 for modified shroud

Simple part to put on blower fan. Original screws works as expected.
Remix from : [https://www.thingiverse.com/thing:1829733](https://www.thingiverse.com/thing:1829733)
Adapted for : [https://www.thingiverse.com/thing:2578649](https://www.thingiverse.com/thing:2578649) (duct_V2.stl)