Low polygon 3D Europe map UPDATE 2

As the "Low polygon 3D Europe map" tutorial is on of the most read posts I have some more information for you.
 
1. Here you can download a complete land topography of the world as a digital image of the three-dimensional structure of the Earth's surface:



 2. The link to "Open Digital Elevation Model (OpenDEM)". You can use this data to create an similar image. (I haven't done this. It looks like a lot of work.)


3. Somegeneral information about Digital elevation models:
https://en.wikipedia.org/wiki/Digital_elevation_model


The two older post in this series: 


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