Prusa MMU3 Part 3 - Conclusion - Chris's Basement - 2024
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- čas přidán 25. 06. 2024
- Today we put the final touches on our Prusa MMU 3!
A note on compatibility. Please check this site before you buy an MMU3. Some printers are not officially supported. We might be able to get them to work. :)
help.prusa3d.com/article/mmu3...
00:00 Introduction
01:16 Spool Holders
04:52 Firmware
08:45 Calibration
18:05 Filament
28:48 Slicing
32:32 Test Print
41:38 Conclusion
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Helpful videos:
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Prusa MMU3 Part 1 - Assembly
• Prusa MMU3 Part 1 - As...
Prusa MMU3 Part 2 - Installation
• Prusa MMU3 Part 2 - In...
Prusa MMU 3 Time-Lapse:
• Prusa MMU 3 Time-Lapse...
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I just wanted to say that over the years your videos have helped me a great deal on my 3d printing journey. 😀
That is awesome! Thanks for watching
Thank you, I have been curious about the MMU and you pretty much covered everything about it.
Glad it was helpful!
well done chris and thank you for this video, I will watch all 3 parts because I will soon receive my mmu3 and each time your explanations and tips are really great, keep it up!!!! Hello from France
I'm happy to help! Thank you
great job done showing !
thx a lot and greetings from germany ❤
Thanks for watching!
I have an early production MMU2, I found adding an led to the filament sensor is a huge help.
😁👍
It's good that you went over how the OEM buffer works, but goodness gracious is that a PITA to load. Easier than the original, but once you get used to a better solution, that just looks so clumsy and archaic it's frightening. Filament Retract Bank by TNDave for the win! :) (RMU wishes it were as good)
Totally agree, if you use one of these a lot you need to come up with your own filament management.
Chris is the man.
Thank you!
Big thanks for this series, I was on the fence ordering a MMU3 but I took the plunge and now it will arrive on friday. Will definatly have your videos as setuphelp.
Yay!!! Good luck with your projects. Let me know if I can help
I finished my MMU3 for Mk4 three days ago, and it works but there were some issues. I printed my parts on Mk4, however the selector broke when inserting the bushing tube (and I think mk4 has good tolerances). Also, there are errors in instructions, for example in pulley body assebmly step 21 third picture is showing selector on the right side, but the step before it's on the left side making impossible to put in the nut. Prusa is using microusb in 2024 and the port is quite deep, that doesn't do well at all when you have your printer in enclosure. They should have used usb-c (also too bad you can't update mmu3 firmware using the printer/prusa connect). Next thing is pulley - it's not great, they can grind the filament easliy. The very good advice is that the first few cm of filament when loading should be straight - otherwise it can not go into opening after pulley shaft. And then when it grinds a little - it won't be able to unload it either. I had a powerloss today while printing using only 1 filament, and the mk4 showed up a bluescreen error instead of recovery.... I don't know whaterver it was caused by mmu3 or not. There are also no instructions/parts how to fit the MMU3 into offical prusa enclosure. let alone the "original" lack enclosure. They didn't even updated with a few words like (Mk4 also fits but print this and this instead, and of course also nothing on lack enclosure supporting mmu3). I found parts I need for my lack enclosure and it worked.
To sum up, it works, but you have to be extra carefull in assembly, especially with pulleys and do some trubleshooting if problems arise. Thanks for the videos!
Hey, thanks for all the feed back from your build. I would make sure you leave note on the guide of things that didn't work. They do go back and review all that info. That will help make it better.
I really like your in-depth videos… do have any plans on assembling/testing the ERCF(Voron equivalent of the MMU)? They recently released the V2 and apparently it works quite well.
Not currently, but I would be interested in seeing it!
MMU3 support is pending upstream in Marlin, so you'll be able to run it on any printer with a free serial port in the near future.
Aha, you beat me to it!
👍😁
I really hope for it and for Klipper support
Great serie! thanks. MMU system poor compacity challenging for me... Maybe looking for a dual chanel only to save some space with a dual spoolholder and buffer on the wall
Thanks! The dual setups are very handy for a lot of stuff.
I think that an auto rewind mechanism for the spools would be less bulky than the buffer, but maybe that would add a bit more friction to the system
Some of the rewinders work really well. There are all kinds of great designs out there.
Hey I know you tried running the MMU2 on Marlin some time back. Would you ever attempt doing that with the MMU3? Or maybe use Klipper on the main board?
I’m currently frankensteining an MMU onto my Klipperized Ender
Hello Chris, do you think I can integrate a g-code into an arduino IDE? Will it work?
What are your suggestions as to connecting Ender 3 and arduino uno board through the gpio using jumper wires?
I'm not sure what you mean, how are you trying to connect? What do you want it to do?
Hi Chris, I have successfully installed my MMU3 for the MK4.
The first print of the Prusa sheep worked perfectly.
But all the possibilities are overwhelming me at the moment.
I really need a Chris explanation manual.
It would be great if you could do something about it.
Lol! I'll see what I can do!
I was looking forward to a time lapsed monkey!
Here you go!
czcams.com/users/shortsASOp4sNTVXQ
I've printed my MMU3 parts.....for the most part. Last time I checked the mk4 parts weren't available yet. And I printed the bottom part on my mk3+mmu2. The top part I will reprint with the MMU3 on my mk4 after it's done. I printed it in purple with whiteish (it's atomic khaki I had some left over from my parent's mirror bezzle replacement project) numbers. I'm sure it has a sticker for the front part. I would prefer not to rely on that though. So I'll reprint that as well on my MMU3.
👍🙂
I received a brand new in box mmu2s for free and I’m hoping to use it. You did a video about upgrading the mmu2 with some 3 parts and using the mmu3 firmware with the mmu2. Did that offer you positive results? Thanks for all your great videos!
Thanks for watching! It did! Just with a few MMU3 parts and some community created parts can make the MMU2 much better.
I noticed that your MMU3 does this weird rattling noise when the Idler is engaging. I have this as well. Is this supposed to be normal?
I'm not sure what exactly causes that, but I have 3 and they all do it.
I cant imagine trying to make all this fit on my desk area.
Make it happen! 😉
I have no intention of using those as my sunlu S4 will mostly be doing all my filament management, but those spool holders are far superior to what shipped with the mmu2.
Thanks for your insight
lol when I built my mmu2 I used pliars to tighten the boden couplers. After fixing about a dozen or so errors, I stopped doing that. lol
👍🙂
Please cover the single MMU3 printer profile and how to add additional nozzle/filament types.
I'll look into it!
The top heat brake needs to be adjusted to make the MMU fail save! Firstly it will prevent long stringing of the tip when pulled back. This makes the finda probe sensor at the MMU reliable. Secondly it will have no problem reloading the filament even if the tip is slightly larger in diameter. I'm a little surprised that Prusa hasn't figured that out what the causes of failure are. That is also the reason it has problems with the nextruder on the MK4. Filament is too soft and pulls string which clog the finda sensor. Mine works 100% now, even if I load potatoes as filament.
Adjusted how? Mine still sucks 4 years later
That's great! Thanks for your insight! Consider subscribing to our channel
You've done the Chameleon and now the Prusa MMU, does that mean we get the ERCF V2 next??? Have been hoping someone would do a build series like these for that one for a long time. Everyone else just has live streams and that just doesn't work for me LOL.
I saw they have some kits for them now, I might have to get one.
@@ChrisRiley yes please do!! Love your videos!!
On the MMU2 I just hit the middle button to load filament. I don't have to screw with the printer at all.
👍🙂
I'm guessing the prusa mk4 probably can't update the mmu3 over wifi (which finally works again now that I replaced my ESP card) like the mk4 itself can. That sucks.......
🙂👍
had my mmu2s for a week and couldnt get a single print to be a success, got a pallet 3 and havent looked back
Those MMU 2's got off to a rough start. The MMU 3 works much better. Thanks for watching! If your interested, I did a couple of videos on the MMU 2.
Prusa MMU2 Multi Material Unit - Tips and Tricks
czcams.com/video/XH-F8h7Y1tM/video.html
Prusa MMU2 - Take 2 - Firmware Update
czcams.com/video/LpoCYmSb7wo/video.html
Do You Need An Upgrade? - MMU2 to MMU3
czcams.com/video/JAWqIH_U66s/video.html
Great video, I was thinking about purchasing , but this layout is very unappealing. Also you need to dedicate more room than usual for this MMU. I don’t wanna say Bambu did it better , but they did.
Thanks for watching!
So far from what I see unless I’m missing something. This is only good to change colors on layer changes? I hope there’s a way say, if printing a bear with a red nose. But I don’t want everything directly behind the nose red
The mmu can do multiple colors/ materials on the same layer. It all depends on how you paint your object in the slicer or how you model your parts.
@@nemodude2 so somehow in the slicer I would “ paint” a area I want color. Similar to painting where I want supports?
@@bruceyoung1343Exactly. In Prusa slicer you can paint any surface that you’d want to be printed with each loaded material similar to paint on supports. If your model has hard edges, you can even select full faces or surfaces if you don’t have as steady of a hand to manually paint them. It’s a very user friendly system that gives you one way to approach multi material printing.
Alternatively you can design files to be multiple parts and then in the slicer, import the objects as multiple parts to the same object. You can then assign the proper materials to each parts and that works just as well.
@@nemodude2 Thank you very much for that that sounds like something I would love to get into I’ve been a Cura person ever since version high threes or something for the last two years but I do have prusa slicer I don’t know which version in my computer I tried to use it but I know there was a learning curve to it just like there was with Cura but I think I’ll start trying Prusa slicer again
👍🙂
I wish PS had the option to put the wipe tower in the corner and avoid it in the auto arrange. I don't want it included. It's so annoying. I also found that a good color to color calibration test is a cube with smaller cubes inside of it just barely poking out. You can see if the new color bleeds or not.
Thanks for the tip!
LMAO prusa just released R4 MMU3 files today. They do have the mk4 files now though. I wonder what changed. I'll have to load them in blender and see if there is any reason to reprint everything.
🙂👍
I expect that Prusa makes the mmu4 with a dry box like Bambu and Creality
This model is too splattered to use in a small space
My opinion
bambu only uses desicant. Not making it a proper dry is an oversight if you ask me.
Thanks for your insight!
I'm planning on doing a print with Senko (anime character). Her hair fades colors. So I'm going to almost completely minimize the purge tower on that. It's not a series of changes. It's a single change. So I'm hoping it will gradually fade colors if I put the wipe tower down to almost nothing (just enough to prime it)
Let us know how it goes!
Prusa really needs to do better. Community designs are way better, as is the competition.
Thanks for watching
those are not my favorite colors. lol The green one is ok I guess. I do like galaxy black, but not as much as galaxy silver.
🙂👍
Man... look at this monstrosity compared to the Bambulabs AMS and AMS lite. Its really not elegant at all. I think they need to redesign it.
If only Bambu Labs were open source. ¯\_(ツ)_/¯
China, China, China. Proprietary, proprietary, proprietary. No thank you, all day
Prusa MMU3 - this is the stone age
Thanks for watching