Parametric Paper Crimper designed to crimp paper strips up to 1/2 inch (12.5mm) in width.Typically used for paper arts / crafts, including card making, scrap booking and quilling.1 - Print 1 of each STL. Use 25% fill. Gear 1 and Gear 2, print on a raft for a quality fit2 - Assemble and make sure everything moves freely.3 - Everything press fits together and shouldn't slip, but if you wish to be cautious, put a touch of glue or acetone on the following locations: a) Inside of the base where the pins connect to the base b) Where the handle enters the gears c) Where the crank pin enters the crank