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I am impressed by the potential of 3D printed housing, great video here of a sizable one developed using concrete printing. https://youtu.be/qWBA-6NgIJg https:

• _jayhack_ 4y ago
  3D printing housing is exciting; I'm also optimistic about the future of modular architecture, in which walls (or even room-sized units) are manufactured and transported to the construction site, plumbing/electricity already included, and assembled like Legos. Nexii (https://www.nexii.com/ https://www.nexii.com/) is working on something similar. It seems there are significant construction cost reductions, faster to build, and easier to repair, although the space of possible buildings is more limited than in the 3D-printed approach
• kube-system 4y ago
  The big advantage of desktop 3d printing is that one machine can print infinite designs with no retooling cost in between design changes. This advantage is lost when the item you’re printing is the too big to be moved, and assembling the machine is a significant construction project by itself. And customizable design is not a hard criteria for low cost housing. It’s a neat demo, but I don’t see how that process could be leveraged for cost savings as is.
  • StillBored 4y ago
    It also apparently takes significantly longer than just building with cinder block. So, yah its interesting, and the rounded corner things, along with the hollow walls are "neat" but much of the cost of single story homes isn't the first story walls is it? Its all the finish work/etc that still will need to be done. So, its hard to see where any cost savings can come from if they are optimizing a part of the design that contributes a minority to the total cost.