RotaTrim produces high-quality British-made precision cutting equipment for professionals that work with arts and crafts. Simply place your paper, media, film, or other material, hold down the clamp, and push the cutting head across the bar. RotaTrim rotary paper trimmers cut smooth leaving a nice edge. RotaTrim paper cutters and RotaTrim paper trimmers make great blueprint trimmers. EngineerSupply is a Factory Authorized RotaTrim Dealer.