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Impact Printing Builds Houses with Clay and Excavated Earth

ETH researchers have developed a fast robotic printing process for earth-based materials — sans cement. Watch this video to learn more about impact printing, during which a robot shoots material from above, gradually building a wall.

Topics:
3D Printing & Additive Manufacturing Manufacturing & Prototyping

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    Transcript

    00:00:00 [Music] impact printing is a novel robotic additive manufacturing method which is based on high velocity deposition of dense materials so we've developed a completely Custom Tool that basically extrudes material portions it into part and deposits material up to 10 m/s and by depositing it at this velocity we can enable a bond between multiple

    00:00:24 parts we can build one to two story walls column structures and we're working on robotic method for integrating reinforcement so we can expand the type of structures that we can build the building sector needs to dramatically decrease our CO2 emissions from new construction and we need to move towards more circular Supply chains the custom Mix Design which is based 75%

    00:00:47 of common waste product from uh one of our industry Partners which is everheart aay makes the material very low CO2 uh and in the future we want to develop more mixed designs for other building applications and load cases we've developed the whole tool and the process so that we can move it from off-site pre-fabrication to on-site construction with an autonomous

    00:01:08 construction machine so we developed impact printing as a new additive manufacturing method that would basically decrease dependency on scarce skilled labor and also increase the speed of construction so that we can be cost competitive to Modern Building Materials