Danish architecture firm 3XN just unveiled renderings for Sydney’s new eye-catching glass skyscraper. The innovative design for the 49-story tower was selected from a multi-stage international competition–the fourth such contest 3XN has won this year. Located near Sydney’s iconic opera house, the Quay Quarter high-rise is designed with passive sustainable features and will serve as a vibrant destination for international and local businesses.

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Rising to the height of 656 feet, this forthcoming landmark skyscraper comprises a stack of five shifted glass volumes. The tower was divided into these separate volumes–each with its own light-filled atrium—in order to create more intimate and collaborative social settings. The rotated volumes also take advantage of passive design principles: the lower volumes are angled to the west to directly engage the nearby neighborhood whereas the upper volumes shift to the east to help self-shade the northern facade from the afternoon sun.

Related: 3XN’s Semicircular High Rise Will Bring High Quality Affordable Housing to Denmark

“This project looks at the ‘high rise’ in an entirely new way, from both the inside out and outside in,” said Kim Herforth Nielsen, MAA/RIBA, Founding Partner and Creative Director of 3XN. “Its dynamic, shifted massing maximizes views for all of the building’s users while also creating expansive open spaces that encourage the possibility for interaction, knowledge sharing and vertical connectivity.” By rotating the volumes, the architects also created opportunities for exterior landscaped terraces. Construction on the tower is slated to begin in 2018.

+ 3XN Architects

Images via 3XN Architects