I went back to the drawing board and think I've found 'the one'. It will be in a walled niche, which is 52" wide x 41" deep, so you won't see the sides (or the depth).

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(I think I'd like different legs to complete the 'furniture' look).

Then, for the interior, 4 banks of roll-out shelves like this (or Blum tandembox drawers) and perhaps some upper shelves:

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Yes, I lose room due to the doors and design, but I have a nice deep space and will only be storing dry and canned goods here.

Your thoughts appreciated as always.