Incredible coincidence (new video):
Alasdair Beckett-King, Cows are hard to draw (especially the corners)
https://www.youtube.com/watch?v=8s2_wjUTT-M
(Extract from his stand-up comedy show)
(In which we also learn about the improper shapes of sheep and pigs.)
Edit: ok, reading the comments more accurately (I used not working keywords to check overlappings before posting), there is a link between the two: https://news.ycombinator.com/item?id=42207572