Ocean and lake floor topo data?

[truglodite (Kev)]

Found this thread:

Salem Harbor Bathymetric Model with Map overlay

[IMG_8762] At the start of COVID, my son and I went in together on a 3D printer. He made headgear for the local hospital staff. With those and N95s none of the fever and flu clinic caught it. The 3D printer, led to second large 3D printer (C10S pro v2), then a K40 laser. I learned graphic design, vector graphics, 3D modeling, then I went down the map making rabbit hole and learned GIS software, lidar and digital elevation models (DEMS), then frame making techniques, how to stain, how to sa…

Then figured out how to get the tiffs from NOAA:
https://www.ncei.noaa.gov/maps/bathymetry/

…using the grid extract tool and downloaded from the dem global mosiac source.

However, this doesn’t fill out lakes.