Reuleaux triangles drill squares

Just a few days after I posted here about Reuleaux triangles, among other things, Cheezburgr ran a post with this awesome gif showing how they are used to turn circular motion into rounded corner square drill bits


EDIT: My Cornish friend Kimbo points out to me that Reuleaux triangles have featured on QI, although Stephen Fry pronounces Reuleaux slightly differently to how I would.


One comment on “Reuleaux triangles drill squares

  1. Kathryn says:


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