What Is The Bambu H2D? Will This Change Everything?

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0:00 Intro
0:56 Previous Speculation
2:22 Current Speculation
4:06 New Info
6:34 Recent Info
8:04 Why Dual Extruder?
11:05 What Do You Think?
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That says H2D dimensions. Not H2D build volume. It's the overall body size.

Rmstrjim
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With two print heads, I can also see it switching between the 0.4mm (or 0.6mm) and 0.2mm so one does the grunt work and the other does the fine detail.

Runescope
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Those pictures been floating around the internet for years now, when bambu first came out. Don't believe it until you see it.

guythejedi
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Seeing it’s all speculation…my 2 cents - YMMV
H = heated. Possibly chamber, might be for the AMS.
2 = Second generation.
D = Dual material.
The size is the crate; print volume likely around 325 cubed, that would have parked it near the top of XY printers when the size would have been locked in during the design cycle.
If these speculations prove true they will be releasing a significant product development their competitors have not met IMO.
Right now their competitors are just coming to market with multicolour capability which Bambo has had for 2 years +, if they have developed multicolour with multi materials in a machine that matches the credibility of their prior flagship printers with a price point consumers can afford they will have taken the technology to the next level of innovation and grow their market share significantly.
However, raising the bar doesn’t come without significant risk.
Hero of zero, not much middle ground.
All this competitive innovation sure is great for us enthusiasts.
Good video, thanks.

rupertsuzuki
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Having dual extruders would be beneficial even if you were printing in more than two colors.
1) Let's say you aren't printing more than two colors on a given grouping of layers, you could still significantly reduce the number of filament changes.
2) Let's say you are doing more than two colors, lay after lay, you could keep the most used color loaded up, thereby reducing the number of color changes.
So regardless of how it goes down, you'd reduce the time and waste for multi-color.

bujin
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IMO, Bambu looks to be making an affordable version of a Stratasys machine. Stratasys machines offer DENSE SUPPORTS that give you perfect overhangs with no marring + easy support removal - thats why they're great (+ super expensive). Stratasys uses alot of dissolvable PVA-like material. With Bambu it will probably be simpler like using PETG with PLA - they're cheap and easy AND don't stick to one another. I WANT ONE - 2025 can't come soon enough!
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TheMagicSmith
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5:30 - These are machine dimensons, hence they look odd. Not plate dimensions.

KStuff
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If there are 2 nozzles I think it would be most useful for printing supports from a different material that has poor adhesion to the primary printing material so the supports basically fall off and you have cleaner and less expensive prints.

andrerodon
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Here is another conspiracy theory. Why is it that the youtuber bambu reviewers are not speculating about the H2D ? Is it possible that they have this machine and are reviewing it as we “speak” ? Yours is the first english long format youtube video I’ve been able to find. There were a couple of dutch/german videos only before yours.

monkeywrench
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The setup that you showed wouldn't get rid of the purging. If you have all 4 of your filaments going into 1 thing that then selects which head it's going to, that means the filament is only going to one head at a time. I think a better setup would be to have the ams go to one head, and have the other head dedicated with a color or filament type.

If you have one head dedicated to one filament, and the other as your ams, you could run your support material there and run different temps for that head. You also would never need to purge the dedicated head, only the one with ams.

When I first heard pivoting head as one of the possible features, I got excited thinking maybe the head would be able to pivot up to 45 degrees allowing much better printing of overhangs. The patents shown look more or less like you mentioned, just rotating one head out of the way to allows the other head to print.

dustinroberson
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Maybe Multi Nozzle size as well! I would love to be able to switch to a .2 nozzle for detail text and such and switch back to a .4 or .6 for the bulk of printing for speed and strength.

highraven
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If you look at the overall size for the P1P, it is 450mm x 450mm x 420mm according to ChatGPT. Then, on the P1P, the build volume is 256mm x 256mm x 256mm. Now, compare the overall size for the H2D, it is 492mm x 514mm x 626mm. So, the *difference* is 42mm x 64mm x 206mm. So, if you add the *difference* to the P1P build volume, you will get the rough build volume for the H2D as 298mm x 320mm x 462mm. If you round it, you will end with an H2D build volume of 300mm x 320mm x 460mm. A lot of other printers have a build volume that is this big or bigger. I think that I will wait to see the price. I really like the Bambu Lab quality and reliability. I have owned other printer brands in the past and the Prusa printers are the only ones that have similar reliability.

rickb
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This model is what I’ve been waiting for. I’ve been looking at consumer 3d printers since they have been coming out and still haven’t bought one. I wanted a reliable large print volume. Stuff I could made functional parts from without melting material together, sanding etc. The last model almost made me pull the trigger but I’m glad I waited.

Noeaskr
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The price is going to determine a lot of where I am going. If it touches closer to the 2k mark I would rather get a hybrid IDEX from ratrig as I think the open source of it just offers so much more and there is an upgrade path like the case for Voron too. With them doing an MMU at the moment it would be a no-brainer for me.

eBirdy
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Rotating dual extruder dual hot end has been around a while (just as side by side DEx has). I'm not sure how they're attempting to patent the technology, they can only be patenting their 'design' of it.

As a pre existing technology, if this takes off for Bambu, I would expect to see some of the more industrial brands taking on this approach for both multi-material and sacrificial support material printing.

JerrieLenore
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Stratasys has been using a print head very similar to that for decades. It has the support material going into one head and the print material going into the other. When it switched materials, the head tilted a little to prevent the paused head from dragging against the current printing surface, like some basic dual nozzle printers used to do. In order to change materials, it would just tilt in the other direction and heat up the other head while the one that was just in use would cool down.

Based on the patents you shared, it looks like the main difference is only one material/filament will be in the head at one time, and it'll likely pull the material back to the AMS2 junction to switch. If you look at the AMS2, the 4 filaments funnel down into a single channel, which has a selector to pick which nozzle it feeds to. This is likely how they get around the existing Stratasys patents, and could have been part of the legal issues they had earlier this year.

I'd guess it functions as follows: If you wanted to switch between two colors, it'll start by feeding red from spool 1 into head 1, then to switch it'll pull the red back up to the junction and feed blue from spool 2 into head 2. To switch back to red, it'll pull the blue back up to the junction and feed red from spool 1 back into head 1. It'll wipe the head, but there would be no need to purge it because the color being fed through that nozzle hasn't changed. If you wanted to swap between two materials, it'll function exactly the same as described, with each nozzle likely holding a different temperature as needed. If you wanted to print with 2 colors of PLA and also TPU, it'll probably dedicate one nozzle to PLA and purge when switching like the current AMS does, and then use the other nozzle for TPU. If it were smart, if TPU was only used on early layers, maybe it'll dynamically change so the two PLA colors will each have their own nozzle and it won't have to purge upon each color change. Something that would be a new feature of this printer would also be that different sized nozzles could be installed in each head, so it could print the rough details or infill with a thick nozzle, while the fine details could be done with a fine nozzle, and the AMS2 will switch the same spool of material between the heads mid print. That sounds like something no other printer on the market can do, like they promised.

It wouldn't surprise me if the AMS2 also has a built in heater to keep the spools dry, and a heated build chamber to help some materials print. And an improved camera, lidar monitor, and accelerometer/gyro in the toolhead. It'd be cool if settings could be changed on the fly through the display, if it had a serviceable air filter built into it, or if it were properly sealed and ventable to be able to run ASA without a hood.

origamimavin
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Based on the overall dimensions of the H2D: 492 x 514 x 626 mm³, I will speculate the build volume to be a maximum: 360 x 382 x 426 mm³. This measurement is base on the overall dimensions of the X1C: 389 × 389 × 457 mm³ and assumes that the clearance from the edge of the build plate to the physical sides of the machine does not change from one machine to the next. In reality i expect the clearance to increase so it will likely be a bit smaller than my speculated maximum...

UbberMapper
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5:42 I think the dimensions on here are the actual exterior dimensions of the units not the build volume but it is definitely going to have a very large build plate 😊

JamesDBuzzard
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A dual nozzle would be awesome for complex prints so you could use dissolvable support material with no waste or just a dedicated support material loaded in one nozzle.

metacombs
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Whatever it is, certainly not a prusa XL killer. Dual lifting nozzles? flashforge, creality, qiditech, geeetech, bibo, etc all had that over 7 years ago, nothing new.

LilApe
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