CULTUREPhotos: COS and EffectA Swedish fashion brand extends its understated chic to the design world.by Alix Browne08.21.151COS designers Martin Andersson and Karin Gustafsson with Snarkitecture’s Alex Mustonen and Daniel Arsham, from left. Courtesy of brand.2Nendo’s installation for COS. Courtesy of brand.3A look from the fall 2015 collection. Courtesy of brand.4Snarkitecture’s installation for COS. Courtesy of brand.5Olafur Eliasson’s Dust Particle, 2014. Courtesy of Iwan Baan.6Richard Tuttle’s I Don’t Know. The Weave of Textile Language, 2014. Courtesy of Tate Photography.