18 () posted 1 year ago by BuckeyePatr1ot 1 year ago by BuckeyePatr1ot +23 / -5 191 comments share 191 comments share save hide report block hide replies
Concave wouldn't look like a perfect circle from every angle
Of course not, but if your vantage to it is limited - it certainly can, and can even be perceived to be convex when it is not. That was my only, admittedly minor, point.