Fuse - Medium Design Set - Thick Material - Curvy Square. Thick Material Medium Design Sets include a die and two letterpress plates. They cut thick materials like chipboard, wood veneer, cork, magnet, vellum, window sheets, vinyl, felt, fabric, foil, foam, cardstock and more. Coordinating ID numbers on the Design Sets and Expansion Packs make them easy to match. All medium embellishments measure approximately 10 x 12 cm / 4" x 4.75".