After a good year or so I've returned to this project and re-designed the ship as a whole, sealing every 2nd gunport, adding smaller wooden cannon and a longer quarterdeck.
This way the interior is quite spacious for 1/72 merry men.
The bow was also re-formed from balsa wood. All the masts are detachable for easier storage.
And a fancy aft section, with textile Schultze-Böhnstadt royal colours.