How do you drill a square hole? Use a Reuleaux triangle drill bit! A Reuleaux triangle can be rotated inside a square and passes over 99% of the square throughout its rotationpic.twitter.com/Wg65jStBaq
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Replying to @RusslAndrewsHat
the edge border adds a little thickness
2:06 PM - 9 Jan 2020
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