RE: MMU3: How well is it working for you?
Mine has been 100% reliable and works really well. I can't remember ever having any issues.
The following 3 items have been game changers for me:
- Filament sharpener......gives the filament a nice rounded tip so it doesn't snag when loading
https://www.printables.com/model/850863-mmu3-tool-tip-sharpener
- Loading fork.....the single most useful tool I have ever used for my setup. Makes loading a breeze
https://www.printables.com/model/829946-mmu-loading-fork
- Filament speed loader......does all the work and loads filament easily from spool, through buffer, all the way to the MMU3
https://www.printables.com/model/1219294-bowden-speed-loader-for-prusa-xl-and-core-one-and
RE: MMU3: How well is it working for you?
I've been exploring MMU3 over the last few weeks, and honestly, it’s been quite an upgrade in terms of workflow and efficiency. The modular setup and the customization options make it easier to adapt to my learning style. One thing I’d recommend to fellow students is to complement the use of MMU3 with reliable Management Assignment Help Services — especially when you're dealing with complex case studies or tight deadlines. It’s helped me stay on top of things and maintain better grades without compromising on quality. Curious to hear how others are balancing MMU3 with external support tools?
RE: MMU3: How well is it working for you?
If you're printing PLA, it works decently. Anything over a day in printing is bound to experience something that needs attention. Trying to add silks to a model almost ensures that. If I ever get my core upgrade, there's no way I'd ever stick the darn thing on top of the enclosure like Prusa does, but mount it on the side. While issues are somewhat infrequent, the last thing I want to do is climb over an enclosure to manipulate filament. The whole thing needs to be redesigned from scratch. I couldn't believe that they still required tools to open v3 of the MMU. I tossed that and printed an ultimulti and its functional.
Does the Bambu AMS have loading issues? Is the AMS design a better design mechanically?
RE:
Upgraded mode Core One not long ago to the enclosed MMU3 version.
The MMU3 unit itself seems fine and works as intended, but the spool holder system is hot garbage and should never have been done the way it has.
The amount of fiddling around to load spools, adjust the spool holder to match spool etc is much more delicate and annoying than it needs to be.
- Having the feed tube be almost under the spool means that you cannot load the spool while it is on its stand
- Having the spool holders be connected in a quarter of a circle next to the machine takes up way too much space
- Having the spool holders be connected makes it hard to see if spools are in their proper slots
- Having the spool holder slots move independently makes them have a lot of play and you often end up having a spool on 3 wheels only so you need to check all 4 wheels when adjusting
- Having the spool holder slots be convex instead of concave in its design makes it easy for the spool to fall off when adjusting or feeding filament
One thing that I am unsure of though, is whether the enclosed chamber part of my core one is now broken/ineffective and if the vents actually do anything now, because there is a big gaping square hole on the backside of the MMU3 enclosure where the PFTE tube between MMU3 and the printhead is. It is something that I’d need to do some testing on.
There are a few gripes with how the MMU3 itself works.
- I wish the selector doesn’t run into one of the sides as hard as it does on startup. It cannot be good for the motor in the longrun. For a few seconds it sounds like back in the day when you didn’t connect the endstop correctly.
- I wish the loading/unloading was done better. It’s currently the loudest part of the print by a longshot because its unloading/loading at full strength and the motor is outside of the enclosure. If “stealth” mode could also make it load/unload slower to make less noise I would be very happy.
- I wish the whole MMU3 part was inside of the MMU3 enclosure. The buttons on it are not needed, since everything can be handled in the display, except for stopping the loading, if you accidentally pressed the wrong loading function. Please add this function to the display Prusa.
- I wish that on loading filament it will prompt me to choose what filament I put in, instead of having to go into a separate menu afterwards and change filament type.
- And then I wish that you could select a color as well when you set filament type, just for some added help/insurance that you’ve connected the correct spool to a color in the print menu.
But those gripes aside, the actual printing works and works good and consistent. I haven’t had any failures or misbehaviors in the loading/unloading process so far. And I do love that you can connect which spool corresponds to which color / filament type before you print so you dont need to unload/reload multiple spools to get the correct ordering for your print.
And I think many of those gripes I have can be fixed by simple software/firmware upgrades, luckily