Basing the design of his machine on a wine-press, Gutenberg developed the use of of} raised and movable type. He can also be|can be} credited with the first use of oil-based ink, which was more durable than beforehand used water-based inks. He printed on both vellum and paper, the latter having been introduced in Europe somewhat earlier from China method of|by means of|by the use of} the CNC machining Arabs, who had a paper mill in operation in Baghdad as early as 794. As an intaglio methodology of printmaking it is, along with engraving, the most important technique for old master prints, and remains broadly used at present. A dye-sublimation printer (or dye-sub printer) is a computer printer which employs a printing process that makes use of heat to switch dye to a medium such as a plastic card, printer paper or poster paper.