Die cutting is the process of using a die, a specially made block of wood with knives and scores, to cut a piece of paper into any shape or to be folded into complex layouts like an invitation, pocket folder or packaging. Die cutting can be done on either flatbed or rotary presses. Rotary die cutting is often done inline with printing. The primary difference between rotary die cutting and flatbed die cutting is that the flatbed is not as fast but the tools are cheaper. This process lends itself to smaller production runs where it is not as easy to absorb the added cost of a rotary die.