link: http://www.pixelsumo.com/post/facadeprinter

This is another innovative combination that involves two preexisting pieces of technology: printing software and a paintball gun. They use it to print images onto a canvas, which could be anything, including the sides of buildings and structures. It looks like they are also attempting to package it as a quick way of communicating visually, for example during disaster relief where there is a need for large, easy to read signs to be put up quickly.