The main rule to arrange a sofa’s cushions is that there is no rule, as your sense will define if you need random or well-arranged cushions. However, you may need to arrange such cushions formally or define the minimum and maximum cushions you need for every sofa to avoid the cluttered look.
In your formal living room, you will need to create a relaxed and slouch-wear look in the place using beanbags or large sofa’s cushions. If the aesthetic and comfortable look of the place is more important, you will need a suitable group of small and colorful cushions, as they will create a statement in the place turning your neutral colored sofa into the focal point of the place. The colors and patterns of such small cushions can combine all the elements of your open designed apartment or living space enhancing the flowing look of the place.
The square sofas arranged one behind another at the two sides of the sofa or karate chops can provide your living space a nice homey feel. If your sofa is three or four seater, you can use from four to six small cushions with unified or different patterns, but you shouldn’t use more than four cushions for the loveseat or any two-seater sofa to avoid cluttering the place. If you will use the mix-and-match rule, you will create an eclectic touch in your space, but the colors, patterns, and fabrics should complement the look of your space.
You can find sofa’s cushions with different filling materials including hollow fiber, molded foam, and feather to match the required level of comfort and your budget. The molded foam cushions come with different types including cold cure molded foam, and molded foam with Dacron casing or duck feather casing.
In your formal space, the molded foam-filled cushions are perfect options, as they will keep their firm and neat look for long years. If you need informal and comforting cushions with squishy and soft filling, the hollow fiber cushions will be your perfect choice.