< Portal:Mathematics < Featured picture
![](../../../I/Pen0305c.gif)
Portal:Mathematics/Featured picture/2006 10
Picture of the month
![](../../../I/Pen0305c.gif)
Credit: xJaM
A Penrose tiling, an example of a tiling that can completely cover an infinite plane, but only in a pattern which is non-repeating (aperiodic).
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