A10M Parts Fan Ring Duct

I decided to design my own parts cooling duct as I couldn't find the one I liked.
Fits a little snug in the fan opening, I just sanded the corners or trimmed with a razor knife till it slid in. I also used a 1.75 mm hex driver to ream the 2mm holes in the duct. When doing so take note as to which holes and at which angle your holding it, as to not distort direction of air flow

(Holes positiond 45,horziontal,vertical are at a 67.5 degree)
(Holes positioned between those locations are at a 45