MASSIVE Resin 3D Printer! // Emake3D Galaxy 1
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- čas přidán 30. 07. 2024
- The Emake3D Galaxy 1 has made OVER $1,000,000 on Kickstarter - WHOA. I've borrowed it for a bit, and let me tell you, it's quite a LARGE machine.
#3dprinter #3dprintingnerd #kickstarter
The battery operated pump I used for IPA / Isopropyl Alcohol
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Chainsaw Man by @fotismintofficial
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Millennial Falcon by Andrew Askedall
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Thanks for all the content sharing and the discussion in the Emake3D community, Joel! We really appreciate these!
Regarding the questions mentioned in the video, here is what we can tell:
1. Dimensional accuracy can be corrected by software, not to print 25um details, but to print models with a dimensional error of 25 um.
2. Permanent leveling means that the printing platform has been adjusted before leaving the factory, there will be no deviation after adjustment, and there is no need for leveling in the hands of customers.
3. That button below the screen is the pause and stop printing button.
Regards
where do i go to keep getting updates on this please id be really interested in owning one of these !
You printed it in that thing? You're braver than I thought😎
Seriously, that is a sweet print.
😁
HEY she's got it where it counts
I'm curious if I'll be correct on the resolution thing, but this is purely a guess. I imagine they can move the 80μm in 25μm increments. So while this smallest individual pixel would be 80μm, they could do 105μm cleanly, whereas an 80μm resolution would overshoot it to make 160μm.
Probably that. Could also have lenses to make it more focused...
most likely that as on their kickstarter they actually mention '100μm printing accuracy'
All my FDM printers have more resolution than the extrusion width, so it is common to have this. It means it can position the 80um laser spot on 25um boundaries.
As a digital device it needs to have a resolution for controlling the laser "pixels" so that is probably the 25µm. Another question is how small the details are that the printer can actually resolve. Can it make ridges or channels of 25µm width? probably not... probably also depends on the resin and some settings.
I wish I could upload the picture that I made, as it helped me see what was going on... I used Inkscape to draw it out. First, I assumed that the 25 um resolution was the ability of the X lead screw to step in 25 um steps and the mirror to produce 25 um steps for Y (which seems amazing since it is spinning and 25 um at the edges of the build platform is much less rotation than 25 um at the center... anyway). So, in Inkscape I up scaled um to mm and placed vertical lines every 25 mm. Then I started plopping 80 mm circles, centered on those lines. From that, it seems like you don't want a situation where you have a light beam smaller than 80 um. If you did, you wouldn't be producing smooth lines, you would be making scalloped lines. As far as resolution goes... from lithography, resolution is the ability to resolve two separate points as separate points. In this case, with 25 um spacing and an 80 um point, you end up with needing to place the two points 100 um apart with a 20 um gap. Or, if you let them overlap, you could space them 75 um apart and they would just barely touch.
That laser system is straight out of a laser printer. nice idea using what is 40+ year old technology in a new way. I made a laser display using a few of them you can get really nice "flat" beams
High five Joel, this machine looks awesome. I'm glad you shared that. I just love the amount of detail resin printing achieves.
The details that machine did on the "millennial falcon" is insane
I tried to get as close as I could with the macro lens. It’s SO NICE up close.
Falcon has texture or texture comes from printer?
Great Review Joel love that Emake react and respond to improvements
Thanks for the review! I know you didn't have much time to get the video out before the kickstarter ends. I am currently backing it primarily because I am in the market for a larger resin printer, and bar any major defects, the early bird pricing is a very good value for what it is. It seems like at this rate though we may not be able to get more information on the larger laser add-on, really wanted to see how it is to change it and whether it speeds things up as advertised.
I wish I could've backed this, but I already ordered a Snapmaker Artisan, and my workshop still doesn't have insulation for sensitive machines like Resin printers. Love that a video is out to see it in action
Great video, thanks for going back to basics!
Glad you liked it!
This looks fun it looks really cool thanks for resin print videos last year
You bet!
Listing to you pulling the supports off made me giggle.
I want one so bad. The wife agro with my current 6 is too high lol
Thanks for the video, I'm a backer and I can't wait for this machine
Very inrteresting review, thank you.
Thanks for watching!
Another game changer from left field if this company delivers.
2:13 slightly better explanation: it works exactly like the laser setup in a laser printer (even looks just like one). the beam is reflected off of a constantly spinning six-sided mirror to create a repeating scanline along one axis, with the beam being switched on and off to create the print pattern as the printhead moves back and forth across the resin along the other axis.
That ASMR support removal 😂
For the resolution issue, I think they meant that the laser has a positional precision of 25 microns for that 80 micron spot size. This isn't exactly the same as resolution, but I could understand the confusion/terminology change on their part. It is similar to how an FDM printer with a .4mm nozzle can easily achieve tolerances below +-0.1mm because the motion system is able to control the position of that larger "spot" to a higher precision than the nozzle size. This means that the minimum feature thickness on the machine will certainly be that larger 80 micron (larger because you will get small amounts of light bleed with any true laser SLA printer). However for thicker walls where laser passes can slightly overlap, the final part dimensions should be pretty close to that 25micron precision.
Interesting, seems when everything is sound mechanically, its always temperature that's the last factor that can cause issues. I heard the same thing can happen on FDM printers when the bed temp fluctuates too much it shrinks and contracts ever so slightly causing z banding, hence the need for PID tuning (fancey algorthims that keep the temperature) vs just turning it on when it goes below a certain temperature or turning it off if it goes above. Although if you do that fast enough it should be the same as PID id imagine, but that would tax most printers CPU too much. There is a mode in the firmware called bang bang mode that keeps the temperature this way controlled by a delay variable of how fast it updates. The default is 10x higher then it should be as someone pointed it out and showed a graph of his bed fluctuating due to the long delay between checks. Which PID solves, but now since we're offloading processing to more powerful cpu's via klipper, or printers themselves comming with more powerful ones, id imagine a bang bang mode checking at a very high rate should be just as accurate if not more as finding integral dervitives and predicting the future with them, which is how PID works if im not mistaken. Anyway this Z banding due to temperature has got me thinking as its even more of a problem on bed slingers for whatever reasons, and its cool they figured this out here.
Been wanting to get into resin printing... but I like things big. This might fit the bill. A little pricey though. Going on my list to keep my eyes on.
I think 25 microns is the step resolution (with microstepping I assume) that the leadscrew moving the whole laser assebly (this would be one axis, say the X) and 25 microns is also the resolution/accuracy that the rotating mirror move the laser beam along the other axis (so rotating the mirror by one microstep moves the laser spot on one axis by 25 microns). Laser SLA is great and all, but I think the larger machines will need to come with more laser modules (like the Form 3L that has two) to increase print speed, because MSLA and DLP are exposing/curing the whole layer slice at once and are usually faster than regular SLA (galvos or this new style of one axis mirror).
It looked like it was just layering at first, but the voxles are massive. I wonder if it has more to do with the resolution of the model? What was the max print size of the Falcon, I wonder? Wicked makes their models at 1/6th scale. So if you bump it up to 1/3rd, it'll lose resolution. But I'm wondering if that's in this machine or the model? Also, what's with the texture? It looks rough, like bumpy? Is that a laser thing? I'm an LDC resin guy, but I have never seen that texture in a resin print.
FINALLY! Someone got Charros proper title correct! 😂❤❤❤
I like it, and have been tempted to back it….but I just don’t really want to dive into resin printing yet. It requires significantly more space (even for small printers) than FDM simply because of the post processing. Maybe some day.
You should be able to print the M. Falcon just like an FDM printer without supports right?
How is emake3d galaxy one the micro tiny xy resolution 25 um or macro tiny laser light spot 80 um?
I got mine a while back. Backer 133. It arrived badly damaged. Took forever to get spare parts to fix it myself. Wish I never signed for it. It's all together now, and I have not used it yet. I have to relevel it first because I bought a magnet release plate for it. Have you done anything else with your unit? Any updates from emakes? I'm still waiting on my 10 bottles of their resin to come in.
Good video of this :Large Resin 3DP...Any comparison with the STARFIELD 3D, Print & Post-curing All-in-One SLA 3D Printer now that it's on Kickstarter?
Great video Joel! Feeling vindicated that the z-banding issues were indeed heat-related.
VINDICATED!!
What’s with the stipple effect? Is that a function of their sla system?
"just listen how well those support come off" comedic genius whoever edited this
So, that was me at 11:30pm last night. Hahahaha
Any chance of doing the same print on an Elegoo Jupiter and do a side by side compare of the models? Just curious on the quality comparison
What aluminum vat are you using for the washing?
I’d like to know this as well.
Great video. Have a fantastic day.
Thank you! I hope you have a wonderful day yourself.
@3DPrintingNerd While I cannot speak for eMake, I can say that the laser spot is commonly larger than the resolution on SLA printers. That is partially because the center of the spot is more intense than the edges, and the resin is cured by intensity and duration. In other words, a short burst from the laser will not solidify an 80 micro meter spot (The center may solidify but not the edges), but a long duration burst will solidify the whole spot. A medium duration burst may solidify the center and gel the rest of the area in the spot, so that an "anti aliasing" effect is seen.
Wrong. Laser focus point is with same power on the whole focus. I work with lasers for years...and the laser focus point is always square never round. It possible that they can make steps with such small resolutions but its never trully that resolution as they mention.
Regarding the resolution...
maybe the axis and the motors the printer has allow them to move the laser up to a 25um?
also.. it could be that beam itself is a 80um one but the use of convace/convex glassses allow to make the beam thinner (?)
or its just a false advertisement
OMG I LOOOOVE the sound of supports coming off. So how do I get a printer this huge? I will pay the price. I just want to do quarter scale statues.
Excellent video Joel, if resin printers get much bigger you're going to need to get some some animal proctology gloves as the bed was very close to your forearm! :)
ty
HAHAHA... Saw the button and immediately went to "the history erase button" in my head... And then immediately following so did Joel! LOL
YES!
Where did he get that metal tank to rinse off the model in? Thanks! :)
i'm just glad to see more alternatives to MSLA LCD based printers, this one doesn't seem like it will be particularly affordable though they list an $1550 'early bird'-price on their kickstarter as 40% off, that would put the intended retail price at around $2100, hopefully they'll scale this technology down to a midsize printer at a more attractive price-point
Retail price is actually $2600
Where did you get the container as your wash station?
25um is accuracy and 80um is laser spot size. By that they mean that the laser can move with a precision of 25um.🙂
I want one! Downside I'm not huge fan of Kickstarter though. I wanted a phrozen sonic mega 8k originally but it's 2000+ :/.
Great looking prints! What is that wash station that you cleaned the falcon model off with?
It’s a tub left over from my time with the Formlabs 3L. It was an extra, so it stayed behind.
seems like that lead screw driven axis means that layer times are gonna be pretty darn long, can we get an idea on printing times?
The mechanism is similar to the first laser printers, down to the polygonal mirror. I reckon layer times should be commensurate to printed pages on a laser printer. Now, a model like the millennial whatever would be what, a few thousand pages (layers) thick? How long it would take for a laser printer to print a thousand pages? Sheesh, it oughta be a while…
they are from I know, the only company that are offering 20K hour large format resin printers, so its a marked they found. Apart form the fact I dont have room for it, one of the other reasons why I never went for the phrozen mega8k was the screen lifespan. I wont be "upgrading" until there is a 4-8k DLP 10inch at the 600 USD price point, but i doubt that will ever happen.
About the Z-thingy and the temperature: is it just because of a resin temperature of 28 degrees or because of the resin heater affecting the z-axis by heating and cooling cycles messing up the build plate positioning or something like that?
I mean, where I live it would be difficult to ensure temperatures below 30.
@@mglenadel Depends on the resin, some of the engineering resins needs temps around 30, but more consumer grade resins I use, 25 ish is best.
Oh man not worrying about leveling would be so cool.
I'd like too see large objects divided into two pieces, printed on this machine and see if both fit together flat
I liked the review. I don't think I've seen the back where all the supports were. Would have wanted to see how much damage it left, though it's also how one is able to make the supports auto or manually.
Surprisingly there isn’t much damage at all. I’ll try to get some photos up on Twitter.
@@3DPrintingNerd BTW can you please share what model is that large part washing station? is it safe for flammable liquids? im also doing large prints and washing them is a hazzard! please help!
If this printer broke, who can you call to fix it? This is for a newbie of course.
Joel where did you get that big stainless tank that you cleaned the model in?
That’s a leftover from when I had the Formlabs 3L system. It was an extra.
So many of these large format resin printers are starting to drop to a price where i go 'yeah i should print more armor in resin'
This is where i prefer say the formlabs printers for larger size.. the Slicer “preform” is way more “polished” and with them knowing their resin composition the printers have specific settings. So much less fuss.
Joel, my brother, get thee some eye protection for the isopropyl sprayer! You don't want resin-contaminated alcohol in your eyes, and the specs aren't adequate coverage.
On a side note, I'm a little sad that safety glasses aren't called peeper keepers.
I really want to see side by side with other printers. It seemed at least to me that the voxels are kind of big.
I agree. It looked like it was just layering at first, but the voxles are massive. I wonder if it has more to do with the resolution of the model? Wicked makes their models at 1/6th scale. So if you bump it up to 1/3rd, it'll lose resolution. But I'm wondering if that's in this machine or the model? Also, what's with the texture? It looks rough, like bumpy? Is that a laser thing? I'm an LDC resin guy, but I have never seen that texture in a resin print.
Agreed. The print quality looked kinda bad I thought. The Elegoo Saturn isn't as big obviously but you don't see layer lines or anything like this has.
The voxel size is purely about how the file is structured. If the file has smaller voxels, they'll be printed as smaller voxels until the printer can no longer resolve the resolution of the their size.
@@AnnaVannieuwenhuyse However, a lot of these models are pretty high resolutions. But it is a good point for sure!
I guess you could cure in the sun but he's not always around.
My interpretation of the resolution quesiton is they can return the 80 micron spot within a 25 microns of the same spot every time but that's just my two cents.
Paradigm is your two cents on inflation.
In my more active resin printing months, it's not uncommon for me to go through 10 liters in two weeks doing proofs and such. I've looked at SLA machines in the past, but laser-induced cures don't have the resolution of MSLA even though the light system is more robust overall. The best one I've ever seen claimed to have a 50 micron x-y, and it was right around $20K for an entry level industrial-capable printer. Unless it utilizes a galvo mirror and fiber laser optic system, they're also painfully slow all things considered.
While that size build plate sounds great on a spec sheet, there's a lot to consider in being able to have accuracy be reproduced consistently. A print fail is going to hurt a lot more on a big print versus one that has the equivalent print broken down into individualized parts and are keyed for later assembly.
A podcast all about removing resin supports isn't the worst idea ever.
Does anyone know what is the price for this machine?
the laser scanning is called a polygon scanner
THANK YOU!
Nice, if only resin were a lot cheaper. (I spend LOTS on resin...) Now there goes my saving...lol... bet this will cost a fortune... :-)
Matt found out the hard way that button is a pause/resume
8:02 the spot is brighter in the middle.
Daaaaaamn.....
I will use water wash resin. No need to wash huge prints in IPA. I will cure the things in the sun. I need the build volume! Lol! ;)
It works kinda like a CRT.
Ingenius.
have they talked about any flex plate system?
No they haven’t.
Wingless Dragon, hmmm I think that’s called a big lizard 😮
OMG TRUTH
looks a bit like the systems found in older laser printers.
Down to the spinning polygonal mirror
Make a cure booth using tanning booth bulbs, turntable, and a power timer.....
Just saying that I do have the bench space for that machine :)
Looks great. kickstarter.. nah. I'm happy to pay full retail, after the printer is out and lives up to the hype.
This is a perfect fruiting mushroom chamber
Whilst I'm sure no one will be/could be prosecuted for copyright, I'd take a modicum of caution law wise on the off chance!?
My only reasoning is that there a potential possibility that thus could be treated like a online ordering business that would breach prior mentioned copyright.
the hardware button 1.is stop button,push it to stop duing in the printing to check model....2.push the button to reboot update the firware.....
What would you charge me for a millinum falcon medium size?
They probably meant 25microm in height, not xy resolution but y height. (at least that's what my resin printer does so it makes sense to me..)
Will you be printing a jewelry 3D printer?
"were gonna need a bigger lamp"
FOR THE LOVE OF GOD! Enough with the SD cards!! Tell 'em, Joel!! USB! welcome to 2023! BE that change, JOEL!!!! :D
Looks like formlab
3:40 you watch chainsaw man ?!
I am so glad that I did not back this thing. I was so close to pulling the trigger, but there were too many unknowns for me and emake provided some really sketchy answers online. After seeing the output I am really glad I did not buy one! Thanks for the vid!
sla but still get line on object ,not to good
Ooohhhh, can I have it?!?
hipster falcon?
Hahahaha
I don't know there are parts in the print that look really rough.
Which print and which parts? I can try to go get a closer look.
@@3DPrintingNerd Thanks, the Falcon at 7:43, I am not sure but that looks like a Mega 8K or my Phenom L would have done better.
PS: Keep up the good work!
@@MrNBridger Thank you!
Hmm, I'm definitely going to print it on other machines. I have a Peopoly Forge - I know that isn't the same dimensions, but it should give me a good idea. I don't have a Mega 8k but I bet it would look GREAT on that machine.
@@3DPrintingNerd Awesome Thank you very much.
@@MrNBridger I agree. It looked like it was just layering at first, but the voxles are massive. I wonder if it has more to do with the resolution of the model? Wicked makes their models at 1/6th scale. So if you bump it up to 1/3rd, it'll lose resolution. But I'm wondering if that's in this machine or the model? Also, what's with the texture? It looks rough, like bumpy? Is that a laser thing? I'm an LDC resin guy, but I have never seen that texture in a resin print.
"Slightly uncomfortable" like someone you don't really like sitting down beside you or "slightly uncomfortable" like a doctor snapping his gloves on for an uh examination?
Download dosent work for the falcon 🎉
I just added a zip file of all the fdm files because the download all service wasn't running because of the size of the files.
It will be interesting to see how this goes. It looks great. What the commercial price will be?
Really not convinced that many models are worth the $100 worth of resin they will cost to print unless they are going corporate displays at shows. Perhaps 1 or 2 per household, as special pieces, but hard to justify the machine cot in that case.
Fr
I don't think they are trying to be dishonest about the resolution. I bet they are treating it like a CNC/laser cutter machine, the 25μm is the accuracy of the motors/print head, while the 80μm is the size of the bit/beam. With subtractive manufacturing you can use the outer edge of the laser for cutting, however in additive the center of the laser is used. Since the center of the beam can move at 25μm, the strokes can overlap effectively giving you 25μm XY res.
Chainsaw man has the saw on his head backwards, the teeth are supposed to rip in the other direction.
OH NO!
umm no - Probably cant post a link but the teeth are correct for the head chainsaw just look up any picture. It doesn't have the baby teeth with it but other than that it looks fine to me.
Thank you so much for the video Joel. I think we are going to see a mass cancelation on this KS unfortunately. They needed to get reviews out before the KS launch and they clearly needed slicer support before launch. Seems like they rushed it a bit. Would have loved to have seen this a little more polished before it hit the market. I dont think I'm going to risk the money just yet.
Pew-Pew-P U👃🚫!!!