the rainier square tower, which will be seattle’s second-tallest building once completed in 2020, is designed with a unitized curtain wall facade that utilizes 140 3D-printed nodes in its construction. due to its sloping geometry, the 58-story tower required commercial cladding company walters & wolf to join forces with additive manufacturing provider 3Diligent to assemble and install the nonstructural curtain wall.

images courtesy of wright runstad & company unless stated otherwise

developed by wright runstad & company, the rainier square tower combines residential units, offices, a hotel, retail stores and restaurants. based on the original 1977 rainier tower by minoru yamasaki, the building’s design features a wide base, while, after the fourth level, each floor is pushed back to create an angle all the way to the 40th floor.

responsible for the design, assembly, and installation of the curtain wall, walters & wolf collaborated with 3Diligent to produce 140 3D-printed aluminum nodes of varying dimensions for the tower’s cladding. though nonstructural, the parts need to remain watertight and airtight, as well as have good adhesion with silicone. the californian manufacturing service provided the company with two options, investment casting and 3D printing, before deciding on the later. ‘it was great that 3diligent gave us both investment casting and 3D printing options so that we could choose between them,’ mentions jon ishee of walters & wolf. ‘we prototyped in both technologies and ultimately picked 3d printing because of the dimensional accuracy and structural reliability it gave us.’

the 3D-printed node

image courtesy of 3Diligent

project info:

name: rainier square tower

developer: wright runstad & company

commercial cladding company: walters & wolf

3Dprinting: 3Diligent

sofia lekka angelopoulou I designboom

mar 07, 2019

Source : designboom

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