We might complain about the amount of ink our printers drink but this is a drop in the ocean compared to the amount this one would use (well OK, it's paint in this case). It makes very large prints on walls from computer images, so it's no A4 size printer. I suppose if it does the same on floors it could be called an 'A-floor' printer perhaps?

TW - there's all the Police Forces across the world trying to combat Graffiti and you find the ulitimate artist