>>43454376it's a 3D terrain model from masters. Links:
https://pastebin.com/6GWPiFu1 . It's in the mega in Terrain.zip. You can load it with the Blender 2.8 script.
>>43451868the blender interface is quite intimidating, but for posing it's mostly just getting good at the three commands: rotate (R), move (G), and scale (S). There's a lot to learn about shaders and lighting and all that jazz though