3D surface of the land and ocean floor

AI Thread Summary
The discussion centers on the search for a 3D model of Earth's land and ocean floor or a grayscale elevation map to create a custom 3D model. The user expresses interest in manipulating a flat 3D representation of Earth's relief to visualize how varying ocean levels would alter the landscape, potentially revealing new islands and continents. They request links to existing models or high-resolution grayscale elevation maps to facilitate their project. The mention of Google Earth 5 highlights the availability of 3D ocean floor models, suggesting that existing resources may be useful for their exploration.
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Can someone point me to 3D model of surface of the land and ocean floor of the Earth,
or a grayscale elevation map so I could make my own 3D model from it.

I was curious - I wanted to play a bit with such "flat" (rectangular i.e. not spherical) 3D model of Earth's relief by placing a flat surface (that is: ocean surface) parallel to it intersecting with relief features at different levels so I would see how would Earth map look like with different ocean levels.

(I mean - imagine: new islands, new continents and other features - like some other planet!)

If someone already made that - I would like to see so give me some link - if not - give me material (grayscale-value elevation map in high enough resolution, but not too large) and I'll make it - no problem!
 
Earth sciences news on Phys.org
Google Earth 5 introduced 3D models of the ocean floor.

Is that sufficient?
 
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