circles out of squares, anti-aliasing, sampling, analog to digital, Nyquist, pixelated.

circles out of squares, anti-aliasing, sampling, analog to digital, Nyquist, pixelated... such a deep rabbithole (I love rabbitholes, dig dig dig)...

here is a scan of the sketch I used for my blizzard-proof house build... Iceman and I were talking in-world, and I offered (grist for the mill (ok enough cliches, scan please))...

note: this was orig. a side-view of a dome with an insulated lining... there are two blocks marked with ? that I removed when I used for an top view of a circle