[Continued from above - I also made a couple changes to hopefully make things clearer]
Printing The Hull
As shown below, I printed the main hull, below the knuckle line at its focsle deck) in 6 or 7 parts. In particular, for the bow, where there was a fair bit of overhang, I broke the model into Port and starboard pieces and printed them turned on their sides, so then I ended up with a nice flat surface along the centerline for each piece which made it easy to glue them together. In addition, by printing them on their sides, there were no overhanging pieces, and hence no need for any additional temporary printer "supports".

- Port Bow Piece
- Starboard Bow Piece
- Midhull "Eggcrate" Section
- Lower Stern Piece
- Mid Height Stern Piece
- Upper Stern Shell Plating Piece
- Internal Deckhouse - (Not Shown)

Part of the reason that the bow looks a little "red" is that for glue I use a mix of Acetone with scrap plastic from failed prints etc, which I applied with a paint brush, and here apparently the brush that I used was not completely clean leaving a bit of red paint in with the glue.
Also, for the starboard side bow you can see a little bit of a printer glitch near its aft outboard edge, which I will have to try and fill in a cleanup with putty.
For the middle section of the ship I decided to make the hull "open" inside (like an egg-crate) to help me hopefully save some print "filament". The first print that I did, I made the hull way to thin, without any cross support structure and as such it warped alot. As such, I reprinted it as shown above with a fairly thick shell, a centerline bulkhead and a couple transverse supports to help it keep its shape. For this part I experienced an issue that I mentioned above where there was a bit of a shift in several of the layers. I think it may have been due to some debris on the print platform (a printed "support" that came loose) that resulted in the print head getting bumped a slight bit to the side for several layers. As such, I ended up having to do a bit of "filing" and sanding to this part to bring everything in line with the other parts. In addition for this middle piece I ended up printing it upside down so that any print "supports" would be hidden inside the hull instead of outside it, since the shapes of the waterlines "faired in" at the bottom of the hull, which would now be at the top of the printed part.
For the aft section, since I wanted a covered but open quarter deck, with inclined ladders to a stern platform, I ended up breaking this into four parts. The lowest part was printed right side up and went up to a level just a little below the "quarterdeck". The 2nd part went from the level up to the quarterdeck, and other parts then consisted of the shell plating around the open space and a deckhouse within the space. I wanted to print these parts separate from the quarter deck itself so that I could clean and sand the "clear" quarterdeck smooth itself, prior to fitting the other parts, so that I would be constrained to having to try and sand in relatively narrow spaces around that deck house and the shell plating.
In the images, although the internal deckhouse is not yet fitted, hopefully you can see how building the stern this way has allowed me to model a covered opening at the bottom of the inclined stairs, without having to deal with any printer "supports" in way of it, as well as having a relatively nice clean covered quarterdeck as well. Here once again, my first attempt at the shell plating was too thin and it tore easily, but by thickening it up just a bit I was able to get a fairly rigid shape with the broad cut-out in the back. For the shell plating I printed it upside down as well so that any removable printer supports would be printed on the inside of the part, and thus any impacts that they would have on the final model would be somewhat hidden.
For the Focsle Deck I ended up printing it in about 3 sections overall, though I also used some strip styrene that I overlapped with the focsle deck to continue up as bulwarks for the deck above, as shown in the images below.



In the 1st picture above you can see the Focsle deck from above, actually showing a few parts of the next deck up. In the 2nd image you can see this structure from the side, and in the 3rd image from below. Here, I printed the forward part of the deck upside down, to give me a nice flat deck surface when I turn the part over. I printed the upper part of the back section similarly, but for the third section, which will eventually have a lot of different colored plastic representing large "glass windows" I printed right side up, in part to give me a flat deck to serve as the top of the quarterdeck below, and also since I wanted to "step" this section in a little to allow me to try and print out separate pieces to represent the large glass windows that will be on the ship here, and glue them on separately.
In printing the upper focsle deck section, I tried to inset the upper edge about 0.5m or so to allow me to overlap the white styrene strips that you see, which form the bulwarks for the spaces on the deck above. At the fore and aft ends of the bulwark I actually 3D printed shaped parts, but I eventually covered the aft one with a styrene strip to make it match the side pieces, and for the forward one I will probably touch it up with putty to better tie it into the side pieces.
In these pictures you can see where I have worked large window openings into the side shell where I eventually hope to print out some black plastic "plugs" that I will punch through from the inside to be flush with the rest of the hull, which will be white. And you can also see some of the additional deckhouses for the next level up that I am also working on.
In addition, in the 3rd image above you can see where I have used a couple strips of sheet styrene to reinforce the joint between the two upper focsle deck pieces.
Finally, for now, below is an additional image of some "detail" parts that I have also printed out. The item furthest to the left is a bulwark for one of the upper deck houses. The next item is the funnel, and to the right of that is the main mast, the enclosed life boats, and the deckhouse that will go into the covered quarterdeck. Here you can see the “cleaned up” Mast and Funnel, as compared to the print set up view from earlier showing the external “supports” required to print the overhanging parts.

In general I was very happy with the detail I got for the funnel and mast, and I suspect that with care other similar sized parts can be made with a printer like this. For the lifeboats I used a model that I found on the internet, and when I printed it, the side shell did not fully print, leaving me with a honeycomb like surface. I suspect that this may have had something to do with how the object was modeled, and the fact that I was scaling down a fairly detailed original model to a very small size. For my purposes this isn't a big deal since I have just filled the gaps with putty and done a little sanding. However, it does suggests that care should probably be taken for printing small parts, and (I suspect) that for small parts a simpler model may likely be better than an overly detailed one.
Anyway, that's all I have for now. I've ordered some fairly generic looking 1/350 scale Japanese Aircraft Carrier deck planking off the internet that I'm hoping to maybe be able to use to represent the deck planking for this ship. As such for the upper levels of the ship I intend to try and print the deck houses mostly separate from the deck that they are on, so that I will have a relatively clear space to work with while experimenting with how to best try and apply the "planking" to the decks.
Hope to post more soon.
Pat