Nesting laser cut lay out

[tim.stark]

You could sort the area of your deconstructed brep to get the larges face.
About rectangular array you can have a look at this one:

Sort and array geometry by multiple parameters

Not as close to your first picture, because it the grid is always the same, neither depending on amount or size of the single rooms. So it’s for every “Group the same” But hey, it’s something [graphicprogramm] from left to right, from top to bottom - not much to adjust, but can easily changed [graphicprogramm1] graphic_programm_re.gh (31.1 KB)