this post was submitted on 07 Mar 2024
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3DPrinting

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3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices.

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[–] RestrictedAccount@lemmy.world 20 points 1 year ago (3 children)

No windows? What would it be like inside?

[–] Deceptichum@sh.itjust.works 75 points 1 year ago (2 children)
[–] madcaesar@lemmy.world 32 points 1 year ago (1 children)

God damn it, no sub is safe!

[–] synapse1278@lemmy.world 7 points 1 year ago

Soon, you will become one with the hive. Do not resist.

[–] billwashere@lemmy.world 2 points 1 year ago

With a dark theme.

[–] Diplomjodler@feddit.de 9 points 1 year ago

Just like any other data center, except for the curved walls, maybe.

[–] jaschen@lemm.ee 6 points 1 year ago

I would imagine you could "cut" out windows since it's all cement with rebar inside.

[–] Kolanaki@yiffit.net 10 points 1 year ago* (last edited 1 year ago)

Can someone hook me up with the .STLs for it so I can print my own?

[–] CarlosCheddar@lemmy.world 10 points 1 year ago (1 children)

Was hoping to see how it looks inside.

[–] maynarkh@feddit.nl 7 points 1 year ago (1 children)

Here's another article, with a photo from the inside and a video of the construction process.

https://www.techeblog.com/the-wave-house-data-center-europe-largest-3d-printed-building/

That said, I'd expect racks and blinkenlights, it's a datacenter after all.

[–] CarlosCheddar@lemmy.world 10 points 1 year ago

It would’ve been funny if it was full of infill.

[–] RobotToaster@mander.xyz 8 points 1 year ago (2 children)

3D printer extruded a recyclable cement-like mixture out of a nozzle in layers,

Anyone know exactly how this works?

[–] unexposedhazard@discuss.tchncs.de 10 points 1 year ago (2 children)

The whole print process video is embedded in the article... https://www.youtube.com/watch?v=cfWryED7Zrk It really is just a big 3D printer. At first i thought the walls were like 90% air with no infill but it looks like they fill them up with rebar and cement. So really its just a thing that prints unique molds to pour concrete into so not really "a 3D printed building"

[–] RobotToaster@mander.xyz 3 points 1 year ago (2 children)

Thanks, but I more meant specifics, like what is the "cement-like mixture", what extruder they are using. If it would be possible to DIY this basically.

[–] Fermion@mander.xyz 2 points 1 year ago* (last edited 1 year ago)

https://m.startribune.com/minnesota-man-builds-castle-with-3-d-concrete-printer/273410261/

This guy DIY'd it way back in the early days of concrete extrusion. He actually let a college class I was in see it. It was definitely an involved project and the result was pretty rough around the edges. His system was pretty slow and took a substantial number of batches to complete. Getting the machine and mix balanced for extruding all in one go would be pretty difficult and you'd probably need to have it mix continuously rather than in batches.

Unfortunately I don't remember much about the type of mix he used or the pumping system. So I can't guide you in the right direction.

[–] greybeard@lemmy.one 2 points 1 year ago (1 children)

There are several companies doing 3D printed concrete. It generally is concrete, just formulated and mixed for being piped and coming out of a 4" nozzle. Ifyouu search YouTube you can find more detailed breakdowns, but the principles are the same as desktop FDM, just scaled way up. That said, don't expect to be doing this in your backyard unless you have heavy equipment and large scale building tools laying around.

[–] maiskanzler@feddit.de 1 points 1 year ago

Oh and you also need a decently sized stone crusher for all your failed attempts and speedbenchies.

[–] PipedLinkBot@feddit.rocks 0 points 1 year ago

Here is an alternative Piped link(s):

https://www.piped.video/watch?v=cfWryED7Zrk

Piped is a privacy-respecting open-source alternative frontend to YouTube.

I'm open-source; check me out at GitHub.

[–] lemann@lemmy.dbzer0.com 8 points 1 year ago

From what I understand (based on smaller printed buildings anyway) it's identical to FDM 3d printing pretty much, except that instead of filament, a massive onsite silo contains a liquefied cement-like mixture. The nozzle also has a valve of some sort to immediately stop flow.

Typically one operator has a computer running the printer host software, and others manually fix-up print errors (and things like blobs) while the mixture is still damp. A paperclip shaped rebar is also inserted into the walls every few layers for additional structural integrity

There are challenges with things like rainfall retention in walls during construction, but various companies have their own way of dealing with that from what I understand...

Due to the mixture it's usually restricted to walls AFAICT. Overhangs like doorways need beam supports to be inserted into the structure beforehand

[–] BeatTakeshi@lemmy.world 3 points 1 year ago

I have an empty field if they want to store that big printer, for free

[–] electricprism@lemmy.ml 2 points 1 year ago

The future is now old man!

[–] PatFussy@lemm.ee 2 points 1 year ago

Those layer lines tho 🤢

[–] Prandom_returns@lemm.ee 1 points 1 year ago