Paper engineering is the art and science of creating three-dimensional structures and designs using paper. This field combines elements of art, design, and engineering to produce intricate models, pop-up books, and other paper-based creations. Techniques often involve folding, cutting, and assembling paper to achieve desired shapes and movements. Professionals in paper engineering may work on projects ranging from educational materials to artistic installations. They utilize various tools and materials, including cardstock, origami, and laser cutting, to bring their ideas to life. The results can be both functional and decorative, showcasing the versatility of paper as a medium.