Talks to Watch

World Freehand Circle Drawing Champion

41.1M views · Jan 9, 2007 · 1:19 · 0 HN recommenders · 3 mentions · discussed 2016–2023

A one-minute clip of Alexander Overwijk drawing a near-perfect freehand circle, one metre across, in under a second on a chalkboard. He is a repeat winner of the World Freehand Circle Drawing Championship.

Why Hacker News points people here: HN uses it as the go-to example of an astonishingly perfect hand-drawn circle.

“Here's a video of Alexander Overwijk, who has won the World Freehand Circle Drawing Championship numerous times, drawing a circle”HN comment, 2021

What Hacker News said 3

Cites itaaron695Jun 2016

“if you want to see a really, really outrageously perfect sphere, check this out.”

A strikingly perfect freehand circle

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Needs a 2007. "(And by the way, if you want to see a really, really outrageously perfect sphere, check this out.)" Assume it's - this video

in “The peak which closest to outer space is Chimborazo and not Mount Everest” · view on HN
Cites ittzsApr 2021

“Here's a video of Alexander Overwijk, who has won the World Freehand Circle Drawing Championship numerous times, drawing a circle”

Champion drawing a freehand circle

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There are actually people who can quickly draw really good circles. Here's a video of Alexander Overwijk, who has won the World Freehand Circle Drawing Championship numerous times, drawing a circle [1]. Here's Michael Clauss, who ended a streak of 9 consecutive Overwijk wins [2]. Here's some footage of the first World Freehand Circle Drawing Championship in 2007, showing several different contestents [3]. [1] this video [2] link [3] link

in “The Art of Mathematics in Chalk” · view on HN
Cites itTheCondorMar 2023

“As I was going down the dotted line chalk rabbit hole I ran in to this”

Found while exploring the chalk rabbit hole

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This is why I read this site. As I was going down the dotted line chalk rabbit hole I ran in to this: this video