A summer table arrangement from offcuts
A narrow strip down the table can hold a few paper and fabric details while leaving room for the meal.

Set the table before decorating it
Put out the plates, glasses and serving dishes you will actually use. The gaps between them show how much room is available. An arrangement that looks generous on an empty table may become an obstacle during the meal.
Choose a narrow central strip or a small area to one side. Decoration does not have to occupy every opening. Light surfaces, a little green and one stronger color can suggest summer without an elaborate scheme. Let the materials you have influence the palette.
Use one base and two small additions
A clean, flat fabric offcut can act as a short runner. It should not trail into seating areas or shed loose threads. Finish a badly fraying edge appropriately or choose another piece. Avoid placing glasses on anything that makes them rock.
Add a few simple paper leaves or small folded shapes. Keep them outside direct food contact. The reverse of printed packaging is not automatically suitable beneath unpackaged food.
A low, stable container can anchor the grouping. If using fresh stems, choose appropriate plants and a watertight vessel, keeping the paper and cloth clear of water. Do not place unidentified plants among food merely because they look attractive.
Try the arrangement as a guest would
Sit at several places and check the sightlines. A tall display can interrupt conversation even when it looks good from above. Move the serving bowl into position. If the decorations must be rearranged whenever food arrives, remove some of them.
Loose confetti is less useful on a breezy patio than a connected paper shape. Long ribbons may catch on utensils or clothing. Keep pieces short and secure where needed, and keep combustible materials away from flames and hot containers.
After the meal, collect dry paper pieces flat and clean fabric according to its care requirements. Save the usable parts rather than everything indiscriminately. Calling an item reusable does not make a grease stain disappear.
For another occasion, the same base can take a different small paper accent. There is no need to make an entirely new set every time. When space, stability and cleanup work, a few changed details can give the table a different character without adding clutter.