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They called me a madman. It'll leak. It'll break. It's heresy.

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Not heresy. Science.

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Through the power of 3D scanning and printing. At long last, we've done it. A

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hardline water cooled gaming PC with

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impossible tubing bends. And all it took

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was some really cool technology, a bit of modeling, and patience. Let's start

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with the first one. This thing is so freaking cool. The Einscan Pro2XV2 from

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Shining 3D is a multi-functional handheld 3D scanner that is exactly what

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it sounds like. This can be used to create a digital representation of small

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and mediumsiz objects, just like our computer here. After calibrating it

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against their handydandy calibration board, it works by shining a white LED

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pattern onto an object, then registering any deformations of that pattern through

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the attached camera. Of course, because our computer is black and even worse,

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kind of reflective, it uh works so good

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out of the box. Fortunately, fixing that is as simple as picking up a can of this

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Asub's matte vanishing spray, which no,

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before you ask, will not make your computer disappear.

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But what it will do is help out the iron scan by covering your object in an 8 to

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15 micrometer layer of matte material that can even be in different colors and

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will sublimate away or change from a solid to a gas after just a few hours.

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Now that our computer is no longer reflective or refractive, we're good to

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take a short break and tell you about our sponsor, Acronis. Their business

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We did a full ShortCircuit video on the Ein scan where you guys can see the

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whole process, but in a nutshell, it's basically Star Trek and then you export

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the rough model from their software for a bit of cleanup in Blender or the

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modeling software of your choice. That's it. Even before cleanup, actually,

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unless you're doing something more elaborate, it is more than usable for

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some quick, simple tubing runs. At this point, all we've got to do then is model

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our tubes from one fitting to the next using Fusion 360, which by the way has a

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hobby license that is free, and then hit the print button, right? Well, not

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quite. Part of the point of this project was that we didn't want to bring out the

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saws and pipe cutters, heat guns, torches, and deburring tools. Though,

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one final step that we're going to add to the modeling process is to add our

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own chamered edge to the end of every tube so that it can slide right into our

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compression fittings. Now, we print. And while you wait, you can head over to

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ltdstore.com to check out our new Labs phase shirts and sweaters. For our

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tubing, we started by testing the most common 3D printing material, PLA, on a

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Prusso Mark IV. I mean, in theory, it

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should work, and you can't beat the ease of use. But as it turns out, people

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don't do this for a reason. The glass

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transition temperature of PLA is around 60° C, and our water shouldn't ever get

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that high. But in the event of a pump or

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a fan failure, it could happen, which would cause our tubing to soften and

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deform, turning a bad situation into an absolute catastrophe. Now we could

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switch to PETG which is the same material used by many hardline tubing

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suppliers. But solving the material issue still doesn't solve the paracity

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issue. This style of layered deposition

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means that there are teeny tiny gaps between the layers that prevent our

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system from being completely watertight. Now we could fix it if we really wanted

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to by smearing epoxy along the entire length of the tube. I mean, come on.

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That's a pretty goofy solution when we can do this instead.

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Man, these are cool. Do I get any credit

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for this being my idea to try? No. Justin said yes.

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This was my idea. What? The resin? Well, just 3D printing in general.

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I suggested the resin printing. Fine. Fine. Whoever's idea it was or wasn't. This is

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so freaking cool. Some of these are really clean. Like, look at this bend.

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Yeah, it's like perfect, right? It's It's almost too perfect.

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It's perfect. I mean, there are parts that are less perfect. Clearly, we had

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to do some sanding here with a resin goo kind of drip. But like, dude, have you

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ever tried to hardline bend a tube before? Yeah.

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Could you do this shape? Oh, no. Oh, no. No, no, no. I mean, look at this 90° coming out of

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one of the fittings. You cannot do that. You can do it and then cut down.

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Sure. But, but it still won't be that tight. If you have a clearance issue, you cannot

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achieve that radius by hand bending. Now, obviously to get things this exact,

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you're going to need models of the fittings that you're going into so that

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you can ensure it's going to line up perfectly, but you don't even need to do

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that. You can do a little bit of trial and error, and you can actually cut or

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sand these down to length just like you would with regular hardline tubing if

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you overdo it. SLA printing is super

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cool. It works by UV hardening resin in a vat. And one of the biggest

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advantages, aside from a lack of paracity and a glass transition temp

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that's higher than PLA, is customization.

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I mean, you could buy resin in various colors and keep them all in stock. But

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why do that when you can buy clear resin and then dye batches whatever color you

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want, or better yet, use UV reactive dye

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to make your tubing glow under a black light. SLA printing is also the secret

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to being able to achieve shapes that would be impossible with traditional

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manual bending. Guys, I've done a fair

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number of hardline water cooled systems and even I am not about to sit here and

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try and bend my own shell spiral. Let's see what our system looks like with

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something more like this.

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Oh, I love it so much. But Lionus, you

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might warn, resin is brittle. it's going to crack or even shatter under the

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pressure of a custom water cooling loop. Well, I mean, you're not wrong, but

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you'd also be surprised by just how strong this stuff actually is. We bought

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some Monocure 3D tough hightensile strength resin from Spool 3D Canada, and

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it's worked out pretty great so far. And while we of course aren't going to

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recommend that you do this at home because I don't want to be liable for

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your RTX 480 or whatever, I'm confident enough to risk my own RTX 480. And we're

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going to leave this computer running for 6 months or until it leaks with regular

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updates on Twitter and Flowplane.

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Oh, this looks incredible.

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And best part, guys, is that it looks

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like any other hardline build except for people are going to look at it and go,

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"How on earth did you do that?" Because these builds are wild. I mean, even a

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skilled artisan like Charles Harwood, creator of the MBX MK2 Murder Box,

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couldn't do something like this. Charles, that's not a challenge. Just

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sit down. And look, I'm not going to sit here and tell you guys that this loop

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has the best possible flow rate. And sure, um, some of it looks more like a

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silly straw or a water slide than an actual, you know, tubing job, but the

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point of the experiment was to find out where the limits are. And I feel like

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we're just scratching the surface. I mean, okay, we did kind of find some

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limits. Um, can you tell me what happened with this?

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Yeah, I basically showed up, installed a tube, it leaked and delayed the shoot by

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like a whole day because all of this was covered in water. So, we had a small pinhole leak. But I

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don't think that that invalidates the concept. Especially because looking at

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this tube, it's not even immediately obvious where you guys fixed it. What

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did you even do? Just put a little bit of resin on it or CA glue. That's a really simple fix then.

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Yeah. Okay. Tell me this. Knowing everything you know about this. Okay, we haven't

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done the durability testing yet. Would you do a system like this?

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Probably not. Oh, I just hate resin printing. Everything

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else is awesome. I just hate the resin. It's so terrible to work with. The

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fumes. Okay, that's why we have Justin. If someone else could print it for you

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if you just used like a 3D printing service. Sure. Yeah, this is actually pretty

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awesome. Okay, moment of truth.

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That's pretty fun watching their photos. That is so cool. It's the impossibility

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of it. Like, yeah, you could maybe create a custom mold for something like

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this, but it would be specific to that model of PC, it would not be fun,

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that particular case and damn near impossible to injection mold. But with

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the beauty of additive manufacturer, look at it go.

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To be clear, even 3D printing this, there could be some trickiness. You'll

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have to play around with supports. We might have to do some finishing to get

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it to look a little bit nicer, but the sky is the limit.

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We went with 10/12 mm tubing, but you

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could do bigger tubes, smaller tubes, and this is kind of cool. Okay, you've

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played with Solid Works flow simulation. Yeah. Would anything prevent you from like

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Okay, this is so close to being assigned to

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you already, and I haven't even talked to you about it yet. Would anything

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would anything prevent you from creating a an open loop? So you actually have

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like a a water slide that you like create laminer flow and like blast the

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water over to a receptacle and like a waterfall.

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Can we do the loop such that we're cooling the GPU and the CPU has an NHD15

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and it waterfalls over it? I mean, can we?

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Yeah. Okay. No promises though. I think the best part of this though is that while

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we did use a 3D scanner, you don't have

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to. You can totally do the work the traditional way by just measuring out

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your runs and then modeling accordingly. And if you think about it, even the 3D

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printer is kind of optional, right? Like we've got an Elgu Saturn 4 Ultra, which

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retails for around $400, but there are online services that will print things

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for you as long as you find something with a good amount of vertical print

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height for your lengthier tubes or a wide printing bed. Just make sure that

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you're using something that's precise enough that your tolerances aren't going

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to cause leaks at your fittings. So, an Elgu Mars 4 or better is what we would

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recommend without breaking the bank. This limits us to either smaller form

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factor machines though or a lot of money spent on interconnecting fittings for

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extensions. As for the resin itself, the price does vary quite a bit. But we can

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get a liter of the same stuff that we used for about $80, which will create

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quite a lot of tubing. For example, our proof of concept here took only 87.4 ms

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out of our 1 L jug, which is about $8.

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Now, realistically, I don't see that many folks putting this into action um

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outside of maybe niche small form factor builders, but just like everything in 3D

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printing, as the quality goes up and as the costs come down, I could conceivably

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see a small to midsize system integrator shipping hardline systems at a super low

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cost. Because most of the cost of a hardline system is not in the tubes.

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It's in the labor, all the measuring and all the cutting and bending and

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installing. Or I could even see home users sharing models with each other. So

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that hardline tubing could become as simple as copying your buddies case

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selection and build list and measurements and then just printing out

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the same set of tubes, throwing them in, and calling it a day. If you do want to

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get your own SLA printer, by the way, just make sure you take the proper

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safety precautions. Resin is hella

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toxic. Like gaming subreddit toxic. So,

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Bank at the link in the description. Man, what on earth are we going to think

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of next? If you guys liked this video, make sure you check out whole room water

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cooling. Maybe next time we do it, we will 3D print everything.

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God, what a time to be alive. Look at this tube. It works.