I really like this development. A couple of years ago Amsterdam had the first printed bridge.
But it's not only the construction industry that benefits from 3D printers.

3D printers make large stocks unnecessary because items can be printed on demand. They are used on oil rigs for example, but what to think in space. The possibilities are immense.
Also the health industry benefits from it. I've read articles about printed skulls caps and printed prosthetics.
As kids grow they need new prostheses almost every year. By printing these with a 3D printer these costs can be 20 times less. https://www.amputee-coalition.org/3d-printed-prosthetics/#:~:text=A%20prosthetic%20hand%20can%20cost,for%20as%20little%20as%20%2450.&text=In%20the%20meantime%2C%20technology%20is,to%20participate%20in%20their%20design

I hope this development soon become more affordable.

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