While the Lewis Grand Hotel in the Philippines was built using traditional techniques, its last expansion included 3D printed bedrooms, living rooms, and a jacuzzi room. The custom-built 3D printed area was developed by Lewis Yakich, the hotel owner who’s also a material science engineer, with the help of Andrey Rudenko, whose castle project we started the list off with. The 130-square-meter extension took over 100 hours to 3D print. Yakich printed the hotel section with a combination of sand with volcanic ash, resulting in stronger walls and improved bonding between layers. He claimed that the project saved him 60% on building costs.
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