Wow, this will be a great solution for the rapidly increasing labor rates especially in masonry work. And also this will save time when developing small items rather than making it with human involvement.
If successful, this would definitely have a huge impact on the construction industry. It's nice to see someone taking the 3D printing to a whole new level by trusting and utilizing his own engineering skills instead of relying on others.
3D printing with cement will probably not change the construction industry very much until it is able to compete with human production rates. It will have a small niche as soon as the process is working, but that will not affect the majority of concrete construction. One-off custom houses are where it will thrive.BUT all should know that all of Minniapolis regulations demand that all houses look different. There is no such thing as identical row housing in that city. One result id that houses all cost about 40% more than a similar house in a more normal area.
Given the intensely abrasive properties of cement as well as it's tendancy to set up and I wonder about the working lifetime of the cement forming robot. There are certainly quite a few challenges to be overcome before it is a commercial level product.
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