The Optireel is a device behind the paper machine that wraps the paper from the machine to a ton weighing reel even at the speed of a hundred kilometres per hour and then changes the reel to the next one. The Optireel manufactured by Valmet Oy Workshop Industry is designed by Risto Väätänen and Hannu Hjerppe together with Valmet's product development team. In 1997 Optireel received an honorary mention in the Pro Finnish Design design competition.