I have a Jonsbo D30 Clone and I have a 1000 watt power supply and it can get the front of the case pretty warm to the touch. The power supply fan in the case is only bringing in warm air from the other heat producing components like my RTX 3080 and i7 12700k. I can only imagine how hot it would be with beefier components. Therefore I modeled this bracket for a slim 80mm fan to sit on top the vents of the power supply and draw out more of that hot air. The space between the power supply and the top of the case shroud is very limited (~25mm) so therefore the the fan I am using is a 15mm thick 80mm fan from Thermalright (The TL-8015 to be specific) and with the bracket there's very little space left. The bracket just sits on top of the vented area of the power supply and raises the fan up a bit so its better able to move the air as opposed to being pushed right up against the metal grill. The top of the case closes like normal and there's no bulge in the top with the case fully assembled only the benefit of additional cooling.