Organizers are so essential in my workshop and homelab. The mill alone has hundreds of items to keep track of. You can only go so far with misc cardboard boxes. I've been using SolveSpace MCAD to design simple just right size boxes, but these are so much nicer.
It seems like one could do this design in Solvespace with several parameters for the overall box. The interior compartments/partitions could be done in a single 2D sketch.