<img src="/sites/default/files/r.woollythoughts.jpg" width="400" alt="r.woollythoughts.jpg"><br /><br />Knitters and math go together like cats and wool – whether it's a whole lot of fun or a bad thing which happened to a nice yarn depends entirely on your point of view. <br /><br />However, when someone comes up with a math-based design as striking and inspiring as the one shown here, then it's time to ditch the math-hating and sign up for advanced geometry.<br /><br />This afghan, from <a href="http://www.woollythoughts.com/index.html" target="_blank">Woolly Thoughts</a> is called <a href="http://www.woollythoughts.com/afghans/revo.html" target="_blank">Revolution</a>, and is just one of the stunning designs produced by Pat Ashforth and Steve Plummer. The maths behind the patterns they design is sometimes hidden, sometimes obvious. Either way, these clever knits are gorgeous to look at and fun to knit.<br />
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