The prevailing wisdom is that the shape of any large-scale space colony would have to circle back on itself so that the gravity created by rotating it would maximize the usable surface area:
We can’t help but think of this while looking at the images from photographer Aydin Büyüktas’ killer Flatland series:
How does he do it? Büyüktas sends a drone up to take aerial shots, then stitches them together digitally. See more of them here.