Polygone Coffee Club, established in May 2026, is situated at 84 Rue du Chemin Vert, amid a vibrant collection of independent roasteries and cafés in the 11th arrondissement. With a Victoria Arduino machine, barista champion Brice Robin oversees a menu that features espresso-based drinks like espresso and flat white, priced at €3 and €6 respectively. The café specializes in slow and gentle extraction methods, enhancing the unique flavors of each bean. While closed on Mondays and Sundays, it offers indoor seating and outdoor options when weather permits, along with a selection of sweet treats and plant-based milk alternatives.