https://surrounding.com.au/muuto-in-situ-sofa-3-seater/

The Muuto In Situ Modular Sofa is a grand, modular design with sculptural lines that can be tailored to your individual space and taste yet with its modular elements hidden through subtle detailing of its front profile, paired with deep comfort and a soft seat. Choose from any of the 30 predesigned configurations or create your own, using the 9 different seating modules and 2 loose cushions. Muuto In Situ Modular Sofa was designed by Anderssen & Vol.