That was my first reaction. Then I’ve watched this from a sibling comment: https... | Hacker News

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baq on March 30, 2023 | parent | context | favorite | on: How to draw dotted lines on chalkboards, MIT style...

That was my first reaction.

Then I’ve watched this from a sibling comment: https://www.youtube.com/watch?v=l789l6np-qA

Yeah you can’t do dotted lines on a whiteboard.

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