@gjm Well, of course it does! When you clamp a pencil in a compass and do a flingaround, the point slips and as you draw the circle, the compass dilates. The graphite nib degenerates slightly as you sweep, and the trace it leaves is far from infinitely thin. Fronds of the paper are flecked by the nib if they happen to be in range and narrowly missed if not. All of these things are well worth ignoring and doing so is a (very tasteful) choice.
@gjm Just checking you weren't talking about circles that are physically constructed.
@pigworker Of course not! Didn't you already tell us that circles are _socially_ constructed? :-)
@gjm Pardon me for imagining we were in dispute. Foundation hackers are always going to be this sort of trouble. We’re social constructors.
@pigworker Who said anything about paper or pencils or graphite? Certainly not me.