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By George Hart for the Museum of Mathematics

Math Monday banner02 600px Math Monday: Truchet Tiles

Here is a set of laser-cut Truchet tiles with circular arcs, designed to be rearranged in a frame. The top layer parts with the quarter-circle arcs are glued to the squares of the bottom layer. The rule when assembling the tiles is to match high to high and low to low.

truchet 1 Math Monday: Truchet Tiles

With just these two types of pieces, you can make a variety of patterns ranging from only circular islands to only circular lakes, with many possible landscapes in-between. Because the surface is raised, you can make rubbings with a pencil or crayon to save your favorites to paper.

truchet 2 Math Monday: Truchet Tiles

More:
See all of George Hart’s Math Monday columns

Gareth Branwyn

Gareth Branwyn is a freelancer writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor for Boing Boing and WINK Books. And he has a new best-of writing collection and “lazy man’s memoir,” called Borg Like Me.


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