For a company with a Paris place of work, it could appear as a surprise that Studio Gang did not have a one finished developing in continental Europe—until now. Before this month, the firm celebrated the opening of Q Residences, a 297,000-square-foot condominium intricate in Buitenveldert, a community in the south of Amsterdam and one of the capital’s remaining garden cities. The 23-story Quartz, pictured in this article, is the taller of the two structures at Q Residences. (Kees Hummel) Q Residences’ 248 flats are divided amongst two buildings, Quartz and Qube. The most placing element of the taller (23-story) Quartz are staggered white precast concrete balconies that groove and…