Wedged (C) 2013,2015,2016,2018 Claude Heiland-Allen.
Copyleft: This is a free work, you can copy, distribute, and modify it under the terms of the Free Art License http://artlibre.org/licence/lal/en/.
cabal sandbox init cabal install wedged
189 PNG files in the current working directory, totalling 33 MB. Run time is about 40mins (single core of a 3GHz AMD Athlon(tm) II X4 640 Processor).
A blog post about version 0 can be found at https://mathr.co.uk/blog/2015-01-16_calendar_2015_wedged.html.
Version 1 is updated to work with GHC 8.0.1 and Diagrams 1.3.
Version 2 is updated to work with GHC 8.4.1 and Diagrams 1.4 with the Rasterific backend.