No, with `xrandr` you can scale to any fractional amount. For example, I had 2 24" external monitors (full-hd, not 4k), and a 13" thinkpad (chromebook, booted i

No, with `xrandr` you can scale to any fractional amount. For example, I had 2 24" external monitors (full-hd, not 4k), and a 13" thinkpad (chromebook, booted into linux). Obviously, the respective DPI's were way off. Just a quick calculation in a repl, then called xrandr with the right scaling number, and presto, I had them exactly the same. Then, with precise lining up of the displays, it was basically one seamless "sheet of paper". If I had a long web page or pdf spanning the displays (the laptop was directly under the monitors), then scrolling through it was quite "trippy". I think because this was now a unified display where the bottom 1/3 was tilted differently to the top 2/3'rds (think of a curved ultrawide, but in portrait mode) Honestly, it really was that simple.