The UN is testing a 3D printer it says can build small modular homes, with the smallest single-room units costing just $1,000.

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Wasp-inspired setup 3D-prints complete homes for $1,000

https://newatlas.com/architecture/crane-wasp-3d-printed-homes/?ref=fixthenews.com

The Crane WASP, also known as "the infinity 3D printer," uses locally sourced clay, mud or cement to 3D-print affordable homes. It can even use agricultural waste as aggregate. The system is now being used to build much-needed housing in Colombia.

Wasp-inspired setup 3D-prints complete homes for $1,000