Unusual architecture

I wonder who thought that was a good idea:

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Well, apparently the idea was that a hotel is your temporary home, so that kinda makes sense...

 
Thunderfoot (complete with posh English accent) just released a video on the Saudi proposed line-city of 9 million people, 200 metres-width and 500-meter tall mirrors, also using hyperloop train and helicopter taxis.
I hope this impossible project bankrupts Saudia ^_^ The city was already featured in this thread, but in the video you can see a lot of promotional pics (along with TF's explanation of why none of this can ever happen). Saudi announced it will be built by... 2025.

 
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Building using drones to do 3D printing

Do you want to build a wonky tower on top of a mountain? They have an solution for that now.

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Spoiler Abstract :
Additive manufacturing methods using static and mobile robots are being developed for both on-site construction and off-site prefabrication. Here we introduce a method of additive manufacturing, referred to as aerial additive manufacturing (Aerial-AM), that utilizes a team of aerial robots inspired by natural builders such as wasps who use collective building methods. We present a scalable multi-robot three-dimensional (3D) printing and path-planning framework that enables robot tasks and population size to be adapted to variations in print geometry throughout a building mission. The multi-robot manufacturing framework allows for autonomous three-dimensional printing under human supervision, real-time assessment of printed geometry and robot behavioural adaptation. To validate autonomous Aerial-AM based on the framework, we develop BuilDrones for depositing materials during flight and ScanDrones for measuring the print quality, and integrate a generic real-time model-predictive-control scheme with the Aerial-AM robots. In addition, we integrate a dynamically self-aligning delta manipulator with the BuilDrone to further improve the manufacturing accuracy to five millimetres for printing geometry with precise trajectory requirements, and develop four cementitious–polymeric composite mixtures suitable for continuous material deposition. We demonstrate proof-of-concept prints including a cylinder 2.05 metres high consisting of 72 layers of a rapid-curing insulation foam material and a cylinder 0.18 metres high consisting of 28 layers of structural pseudoplastic cementitious material, a light-trail virtual print of a dome-like geometry, and multi-robot simulations. Aerial-AM allows manufacturing in-flight and offers future possibilities for building in unbounded, at-height or hard-to-access locations.


Spoiler More pics :
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Aerial photo taken on July 9, 2022 shows the Wuhan Institute of New Energy building in Wuhan, capital of central China's Hubei Province. (Xinhua/Cheng Min)

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Athens home

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