I built this rig a few years ago, using a Thermaltake 900 Supertower... It contained a Z390/i9-9900k setup, and I built a custom 420mm cooling rack using 1 of the leftover side fan mount brackets and a Corsiar H115i Rad, and mounted it over top of the middle HDD enclosure...
I also modded the left side mesh panel to add/house a USB hub with 2x USB-C + 2x USB-A ports so I would not have to get up every time I needed to plug/unplug something, since the rig sat on top of my desk
Oh, and BTW, I called it "Big Red One" in honor of the US Army's 1st Armored Division (which I served in), cause this thing is built like a tank !