The cushions are usually designed based on the couch, but you can always change the variation of the pillowcase that you can design it by yourselves as long as it is suitable with the overall design and color of the couch. In term of the couch fabric, leather fabric can always be a good choice. However, you should mind the design of the couch, don’t choose one that has too many variation designs. This can make the couch look too ‘busy’ for minimalist house. Architecture.