Crowie, regarding your two comments: Way above my current skillset, my box making skills haven’t reached the level,
If you don't try you'll not learn. To be safe, whatever you decide to do and if you are anxious about it, do it to a duplicate piece of scrap pine or construction timber first. Besides, as Pottz said, your prior work shows great skills, so go for it.
As for suggestions, well sorry I'm inspirationally challenged.