Inspired by /u/ShakeWeightMyDick's post on reddit (https://www.reddit.com/r/GhostsofSaltmarsh/comments/cnmth0/3d_topographical_map_of_the_saltmarsh_region/), I designed a 3D printable version.
NOTE: The uploaded gcode contains all the color changes that are seen in the model.
I printed it
The author hasn't provided the model origin yet.