The house was built with 3D printing technology only takes 120 hours to complete with enough bearing capacity to be able to live normally inside.
House made of 3D printing technology in the Netherlands. The Dutch couple are the first tenants of a house built with 3D printing technology in Europe. Experts believe that this unique design will open up a multitude of choices about the shape and style of future homes. Elize Lutz, 70 and Harrie Dekkers, 67 – two retired shop owners from Amsterdam – just received the house’s digital key on May 6. This key is an application that allows them to open the door with the touch of a button. “It is beautiful and feels safe” – 2 grandparents commented. “When I looked at the design, I saw it as a garden in a fairy tale” – Mrs. Lutz said. Inspired by the shape of a rock, this house would be difficult and expensive to build using traditional methods. This is the first 3D-designed house out of five planned by the construction company Saint-Gobain Weber Beamix for the site next to the Beatrix Canal in the Bosrijk suburb of Eindhoven. In the last two years, real estate built in part with 3D printing technology has appeared in France and the US. These nascent projects are also slowly growing around the world. But with an area of 94 square meters, this 3D house in the Netherlands is said to be a remarkable stand-out from its rivals when it is legally allowed to live inside. 
The Dutch couple is very pleased with their new home. Mr. Bas Huysmans – CEO of Weber Benelux – said: “This is also the first project that is 100% authorized by the local government and there are people who really want to pay to live in it”. The 3D printing method involves a giant robotic arm with a special formulation of a cement nozzle. Cement will be “printed” out according to the architect’s design layer after layer until a wall has enough bearing capacity. This nozzle will be replaced after hours of operation like an ink printer. That change also shows up on the walls of the house, like a small error in the cement printing process. Although in its infancy, the method of building houses with 3D printing has been evaluated by many in the construction industry as a solution to reduce costs and harm the environment by reducing the amount of cement used. In the Netherlands, this is also an alternative in the shortage of skilled masons. 
The cement stains on the walls of the house are caused by changing the nozzle of the cement after a few hours of operation. This 3D house consists of 24 concrete details, printed layer by layer in a factory in Eindhoven before being transported to the construction site by truck. It is based on a foundation made by Dutch construction company Van Wijinen. After that, the roof and window frames were installed and finished. For future homes, it is hoped that the construction will be done entirely on site. Another advantage of the house is that it prints in just 120 hours. “If we only print once and finish it, it will take less than 5 days. Because, the big benefit of the printer is that there is no need to eat, sleep or rest. If we start tomorrow, the next house will be completed in 5 days, ”said Mr. Huysmans. Thuy Nhi (According to The Guardian)
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