I had to double check the spelling of scatterling on Google -- the standard spellchecker in Firefox didn't recognize it...
It is kind of the inverse of those "ransom notes" and keeping it all from one page is setting the limits. It is subtractive in the art sense, and I like how the page tells the story of the process, and shows the results at the same time. On some poems, Austin changes the order of the words by forming a "dashed line" path with the blackout marker.
Or a simple drawing: