lime-based walls that can capture carbon forms first 3D printed airport building in bergamo

"The material for the 3D printed airport building in Bergamo, Italy used a lime-based mixture, which is believed to produce lower carbon emissions and, in some formulations, can actually absorb carbon dioxide from the air as they cure with a process called carbonation."

"The whole structure, from the first line of printed material to the day it was handed over, took 19 days, with the printing itself taking seven."

"The team used a crane that has a central mast and an arm that extends outward and carries a print head that extrudes material in continuous layers, building up the walls of a structure from the ground up."

"By using a lime-based mixture rather than a cement-based one, Ol Casél's walls carry a lower environmental footprint than a conventionally built structure of the same size."

The first 3D printed airport building, named Ol Casél, is located in Bergamo, Italy. Constructed using a lime-based mixture, it captures and reduces carbon emissions. The building serves as a small service facility at Milan Bergamo Airport, featuring restrooms and a rest area for customs personnel. The printing process took seven days, utilizing a modular crane system to build walls layer by layer. The project involved collaboration between EDILCO Srl, SACBO, and WASP, with traditional construction methods used for windows, doors, and the roof.

Read at designboom | architecture & design magazine