diff --git a/LICENSE b/LICENSE
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--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,30 @@
+Copyright (c) 2013, Anders Claesson
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * Neither the name of Anders Claesson nor the names of other
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/Math/Sym/Plot.hs b/Math/Sym/Plot.hs
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--- /dev/null
+++ b/Math/Sym/Plot.hs
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+{-# LANGUAGE NoMonomorphismRestriction #-}
+
+-- |
+-- Module      : Math.Sym.Plot
+-- Copyright   : (c) Anders Claesson 2013
+-- License     : BSD-style
+-- Maintainer  : Anders Claesson <anders.claesson@gmail.com>
+-- 
+-- Plot permutations.
+
+module Math.Sym.Plot
+    (
+     plotPerm, plotPerms, savePNG
+    ) where
+
+import Diagrams.Prelude
+import Graphics.Rendering.Diagrams.Core
+import Diagrams.Backend.Cairo.Internal
+import Math.Sym (Perm (..), st, toList, size)
+
+type DC = Diagram Cairo R2
+
+-- An n x n grid
+grid :: Int -> DC
+grid n = stripes `atop` rotateBy (1/4) stripes
+    where 
+      stripes = centerXY . hcat' with {sep = 1} . replicate n . vrule $ fromIntegral n
+
+-- | The plot of a permutation as a Cairo diagram.
+plotPerm :: Perm a => a -> DC
+plotPerm w = centerXY plot `atop` grid n `atop` background
+    where
+      n = size w
+      v = map fromIntegral . toList $ st w
+      plot = position $ zip (zipWith (curry p2) [0..] v) dots
+      dots = repeat $ circle 0.2 # fc black
+      background = square (fromIntegral n) # fc whitesmoke # lc white
+
+-- Split a list into fixed length chunks
+chunk :: Int -> [a] -> [[a]]
+chunk k [] = []
+chunk k xs = ys : chunk k zs where (ys, zs) = splitAt k xs
+
+-- | The plot of a list of permutations as a Cairo diagram. The first
+-- argument specifies how many permutations are on each row.
+plotPerms :: Perm a => Int -> [a] -> DC
+plotPerms cols = vcat . map hcat . chunk cols . map (pad 1.1 . plotPerm)
+
+-- | Save a Cairo diagram as a PNG.
+savePNG :: Double -> String -> DC -> IO ()
+savePNG width filePath = fst . renderDia Cairo (CairoOptions filePath (Width width) PNG)
diff --git a/Setup.hs b/Setup.hs
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--- /dev/null
+++ b/Setup.hs
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+import Distribution.Simple
+main = defaultMain
diff --git a/sym-plot.cabal b/sym-plot.cabal
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--- /dev/null
+++ b/sym-plot.cabal
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+name:                sym-plot
+version:             0.1.0
+synopsis:            Plot permutations; an addition to the sym package
+description:
+  This packade adds plots to the sym package. It has been factored out
+  of that package because diagrams is a heavy dependency.
+
+homepage:            http://github.com/akc/sym-plot
+license:             BSD3
+license-file:        LICENSE
+author:              Anders Claesson
+maintainer:          anders.claesson@gmail.com
+category:            Math
+build-type:          Simple
+cabal-version:       >=1.8
+
+source-repository head
+  type:                git
+  location:            git://github.com/akc/sym-plot.git
+
+library
+  build-depends:       base ==4.5.*, sym, diagrams-core, diagrams-lib, diagrams-cairo
+  Exposed-modules:     Math.Sym.Plot