it dosant look that large, or heavaly detailed. but it would be a reel pain to texture, becose of all the sharp angles. i would say brake it up into seoarate peces, so that everywere there is a join on somthing like this in reel life, theres a join on the modal. this will probaly end up with 100+ separate meshes, but its the only way it could be dun without using 10,000*10,000 pixal images
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whats the polycount? i expect you could tidy it up quite abit, loose verts on the cercular thingies that are high up as you will never see them close up.
learn blender, you will never regret it.