This is the MicroRax frame. This will measure 270*60*300, that's under 5L. I don't think this will fit.... but I'll At least try. This will have no Front I/O, only a power button.
Oh and the Fusion 360 files are here: https://smallformfactor.net/forum/threads/5-37l-aluminum-frame-pc-w-1080ti-flex-psu.10078/