If you have remember our Reverse Printer, You might love this as well. Pencil Printer created by designer Hoyoung Lee is not only for printing text, but also for its erasure. If you have scraps of pencils and eraser and a great desire to save paper and thus save the forest, then this concept is for you. Quite unusual eco concept. The printer has two “exits”. First one is for printed pages, the other one theoretically is for blank pages. The trick in this concept is to use graphite extracted from scraps of ordinary pencils instead of toner. Designer: Hoyoung Lee [via: t-future]