My question today: what's the shoddiest non-awful device for drawing circles I can come up with?
Already ruled out as compeltely useless: entirely freehand; bit of string tied to a pen

BTW, the least-shoddy, least-awful device for drawing circles and lines I've ever had is the thaMographe. It's a ruler! It's a protractor! It's a (discretised) set of compasses!
I bought it on a whim after seeing it online and thinking "that's weird!", but now I've used it I think every school kid should have one

"pen on a bit of string" is considerably less shoddy on a larger scale, when it's "bit of chalk and some string held down by my big toe"

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