These are deckplans with the internal walls stripped out and a smaller square grid layed over the inside of the ship, allowing players or DMs to remap the internal space of a ship (plus other possible uses). They are all large 300 dpi images designed for printing.

Blank Deckplans (Batch 1)
The first batch is the Hammership, Wasp, Galleon and Triop, zipped into one file, which is around 845k.
Blank Deckplans (Batch 2)
This is the "Tentacle Collection," and includes the Squid, Nautiloid, Octopus and Cuttle Command, zipped into one file, which is around 908k.
Blank Deckplans (Batch 3)
This is the "Big Boys Collection," and includes the Whale, Mammoth, Turtle and Battle Dolphin, zipped into one file, which is around 986k.