Finally finished! Here is the map my wife and I painted to fill the 6' x 3' frame I've had hanging empty in my Nautilus office [link]
for a couple of years now.
I wanted a world map where the oceans were the center of attention with the Pacific in the middle of the map instead of being split on the sides, and no detail on the land masses. Of course being so picky meant I would have make one myself. I used the 1981 World Ocean Floor map from National Geographic to measure out all the land masses. My map was larger so I couldn't just trace the NG map, it was all plotted out and measured using a compass and divider. After penciling, inking and outlining with black-light reactive paint all the land, I had to lay out the various depth areas of the oceans. I was far less accurate with that but tried to get everything pretty close. Then it was just a giant paint-by-number that took forever to finish.
I had extra space on the sides that I decided to fill with 20,000 Leagues style stuff. Clock-wise from top right: side, top, cross section and bottom plans of the Disney Nautilus submarine found online and printed on cardstock. Picture of the Nautilus submarine ride from WDW and a picture of my wife in her deep dive costume [link]
a compass rose from the internet and the water depth legend, a map of the mysterious island Vulcania from a photo from the DLP attraction (edited in photoshop), and finally a fancy Nautilus crest also from a photo from the DLP attraction.