A Rotary Trimmer is a cutting tool designed for precise trimming of paper, photos, and other materials. It features a circular blade that rotates as it moves along a guide rail, allowing for clean and straight cuts. This tool is commonly used in offices, schools, and craft projects for its efficiency and accuracy. The design of a rotary trimmer often includes a sturdy base and a measuring grid, making it easy to align materials for cutting. Many models also come with safety features, such as a blade guard, to prevent accidental injuries. Overall, a rotary trimmer is a valuable tool for anyone needing to cut materials neatly and quickly.