How Giant 3D Printers Build Houses in Hours. 3D Concrete Printing & Automated Construction
138K views · Sep 22, 2026 · Science & Technology
Comments · 33
@hassleoffa · 16 hours ago (edited)
I'm a structural engineer. I love the technology and at the same time I'm shocked by the staggering waste of material used for residential construction.
1
@SeraEngineeredLLC · 1 day ago
It’s fascinating how precise the concrete mix has to be in 3D printing. It needs to be soft enough to bond with the previous layer but stiff enough to support the next one without collapsing. It really shows how material properties, layer thickness, and printing speed all have to work together. – Dr. Sera, P.E., PhD
@gpppanda8949 · 4 hours ago
Use precast, save time
@deezynar · 1 day ago
Walls are not buildings. Walls are just a small part of a building.<br>Also, they really need to add a pair of trowels on the machine at the nozzle to smooth the concrete on both sides as it's being added to the material below. The current method wastes a lot of material, adding to costs and adding worthless weight. It also produces crevices for water get into which will split the wall when it freezes and expands. <br>This system might be worthwhile in a few years, but it needs a lot of improving.
1
@ApexTechOfficial-s4l · 1 day ago
These giant 3D printers build houses faster than I can assemble a bookshelf. At this rate, construction workers may start measuring coffee breaks in square feet
@seguefischlin · 2 days ago (edited)
Keep an eye on WASP; they are using eco-mixes to print their foundations. they originally tried with clay/earth mixes but are now building with natural lime-based mixes under building permit. Very exciting Italian company. In fact, some of the images used by this video are from WASP, which is NOT using concrete for printing. So theres your AI slop
2
@NGL-xm9qn · 22 hours ago
Building in hours ?<br>Maybe walls- roof, fit out ,windows , plumbing, electrical etc
@zbigniewteterycz1571 · 4 days ago
SUPER IDEA . POZDRAWIAM
1
@WeAreQuestionDutch · 2 days ago
Keeping those inside walls dust free must be terrible if not flatted imo.
1
@jackmorganfiftyfive · 21 hours ago
We always thought this would make houses cheaper... it didn't. It just put more profit in owners' pockets.
@RonHutchins-i2h · 7 days ago
I've been building houses for 40 years this will never happen
2
@abelardochavez3426 · 1 day ago
Wooooow IMPRESIVE , what happens if start raining during the construction?
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