Ok, answer to myself for anybody... Workaround: Use "Sculpt using map" function. Displacement map is solid white texture. Multiplier is set to 0,01. Mask map slot will do the job.
New Faction Base: its cylindrical shapes of the building itself and the smaller windows control the look. Thus, the angular windows do not work at all. I'd rethink the whole style here, as it looks like a primitive shape slightly modified. With any of your buildings, they must possess a unique profile at the farthest…