About Us

Photograph by Kalle Mether.
We're two Finnish physicists currently living in Amsterdam who like documenting unexpected patterns and phenomena that appear in everyday life. Here on our blog we collect observations and projects we have done.

likes visual arts and all kinds of stationery, inks, paints and colors. likes programming, electronics, and building things.

Johanna's academic work.
Fredrik's academic work.

Johanna on DeviantArt, Pinterest and Twitter.


  1. Hey there, It's a little late but happy new year to you both. I've just seen your girih tiles! Did you make traditional ones first? then decide to make them like lego afterwards? I'm an artist and want learn how to paint these amazing patterns so any hints and advice will be welcomed, thanks Jeremy Thorpe. jeremyartist@yahoo.com You have a "file for laser cutting tiles" do you have one that is traditional shapes(not lego type)with the internal variations included too? I scetched many variations for EVERY tile type. I too am fascinated by their beauty. All the best Jem:))

    1. Hi Jeremy!

      First of all, sorry about the slow reaction, and a great new year to you too!

      We've only ever used the 'lego' variant of these tiles - it's useful when one has the tiles as physical building blocks, maybe not so much when one wants to draw or paint the patterns.

      One thing would be to draw these tiles with vector drawing software, then you could just copy as many as you want of the tiles, and (using some corner-to-corner snapping and rotating only by multiples of 36 degrees) build up patterns as large as you like.

      If you want to paint girih patterns, one other idea would be to print e.g. our girih tile sheet and cut out the pieces, then form a pattern, and sketch it (or even paste the pieces on the canvas!), then paint over. If you cut out our pieces, you can just ignore the 'lego' zigzags and get the classical pieces.


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