Parametric fan grille

ALL OF MY DESIGNS ARE MOVED TO YOUMAGINE
A grille over a fan looks nice and helps keeps junk from falling inside your device (and keeps fingers out too). I never seem to have grilles sitting around and seldom bother ordering them so I wind up with naked fans. Now I can just print one up.
Can be used to cover ventilation holes in cabinets as well.
Features a recessed vane area so the blades don't hit the grille. You can set the number of vanes, number of circles and all sizes including v