This case is made for easy customization to suit the builders needs. I built it because the psu I purchased was too long for the case and I didn't want to mount it externally. I designed the one on my mini to hold a 60mm fan. It can be imported into Tinkercad.com to build as you see fit. Also included is an expansion that will fit on 25mm lift skirt. I designed it for use with the stock screw that hold the side panel in place. Expansion is easily mirrored to mount on either side of the case.