Duplo USA – A Leader in Digital Print Finishing Equipment Explore Duplo finishing equipment for your digital printing business. Find print embellishment, die cutting, finishing and binding solutions. Duplo manufactures a complete line of print finishing equipment from all-in-one slitter/cutter/creasers, paper folders and perfect binders to sheet feeders, bookletmakers and saddle stitchers for offset and digital printers in both high production and small office environments.