Yup. The settings are tuned for maps right now, but we can take any raster image with up to four b&w layers and send it through the same process.
Perhaps another idea though would be to make your own stylised maps with Mapbox http://mapbox.com/ with OSM so you could print out more stylised maps ;)
What if I want a rooms floor done like this?
I have been drawing some based on some of his drawings in AutoCad - to then color in illustrator.
I drew this the other day - and it would be great to do a pattern like this in wood for an entryway: