If you mash it up enough, it will have only wrinkles and not larger "folds." That helps, but the best thing is to (1) have it far back enough to be out of focus even when shooting at small apertures and (2) light it evenly. If the background is lit with a small light stand right behind the subject(s) and the fill light on the subject is on-axis type fill that spills evenly on the background, the wrinkles and folds will usually be fairly unnoticeable. When too much light is hitting the background from the side, the wrinkles will be more visible.
RP, 60D, RF 24-105mm f/4-7.1 IS, RF 35mm f/1.8 IS, RF 50mm f/1.8, EF-S 10-22mm f/3.5-4.5, EF-S 18-135mm 3.5-5.6 IS, EF-S 55-250mm f/4-5.6 IS, Tamron 17-50mm f/2.8, EF 28mm f/1.8, EF 50mm f/1.8, EF-S 60mm f/2.8 macro, EF 85mm f/1.8, El-100, 430ex, 220ex, Alien Bee B400 (2), Alien Bee B800 (2)