...under perpetual construction.
Here you can find two simple postscript files, that are fully configurable (see comments in the first example) for (almost) any size and resolution (i.e. number of bits).
Example image of a gray-encoded disk and its postscript source.
Example image of a binary-encoded disk and its postscript source.
Created: Sun Aug 10 15:33:27 CEST 2008
Last modified: Thu Jan 1 18:53:15 CET 2015