Whilst 3D printed homes are no longer unusual, this new technique definitely is. It's inspired by wasps.
The Crane WASP, also known as "the infinity 3D printer," uses locally sourced clay, mud or cement to 3D-print affordable eco-sustainable homes. It can even use agricultural waste as aggregate. The system is now being used by the UN to build much-needed housing in Colombia, reports 3D Natives.
Whilst the printer costs around US$180,000, it can be easily transported to wherever it is needed and can create homes for those in need for as little as $1,000. Using locally sourced soil and such means the UN won't have to truck in expensive or proprietary materials from faraway lands, which significantly cuts down on costs.
The Crane WASP (World's Advanced Saving Project) was inspired by the Potter Wasp, a busy little insect that uses mud to build its nests. The UN will be able to set up the printers in otherwise difficult terrain where conventional and expensive construction equipment would have limited access, while using local soil to print homes for the impoverish and displaced.
Here's a short video demonstrating how the WASP works...
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