Some of the ringworld covers were quite good.
One of the things that I recall from that (and written about elsewhere... though I don't recall where) is that the shadows of the shadow squares, when viewed from the surface all subtend the same angle on the Arc of Heaven.
alt Hacker News
One of the things that I recall from that (and written about elsewhere... though I don't recall where) is that the shadows of the shadow squares, when viewed from the surface all subtend the same angle on the Arc of Heaven.