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The newest generation of Palette, the multi-material solution for 3D printing. Resources for Palette 2, Palette 2 Pro, Palette 2S, and Palette 2S Pro.

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Can I use Palletpro 2 with my Pruse MK3S+ and MMUS2S set up

Hi guys - I am currently printing with my PrusaMK3S+ and MMU2S unit. I have more stoppages with this setup than I care to talk about. Before I upgraded to the MMU2S I had one failed print in over 100 models - now I am getting feed issues and failed prints all over the place. My question to you is - can I disconnect the MMU2S (without modifying the extruder feed, back to its original state) with the Mosaic Palette Pro2? I really do like your products but before I buy a palette Pro2 I just want to make sure I do not have to dismantle my printer again:-)Thanks Rgds Chris(UK)

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Without having to rebuild your mks3s / mmu2s extruder you can print this adapter to use with Pallette PTFE tube. https://www.thingiverse.com/thing:436245...

Just remove the part that screws into the mmu2s tube and replace with this part.

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Many thanks for this Mike- Have printed out this part. Cheers Chris

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Hey @croc, thanks for reaching out about this. Palette is physically connected to your printer via an outgoing PTFE tube, which is inserted into an extruder clip. The extruder clip is placed onto the extruder, on the area where filament is inserted. You can check out some setup videos in step 4 here, which will be helpful to visualize this. As long as you are still able to attach this clip onto your extruder, you can set up Palette on your printer without any modifications. If you can include some photos of your printer and extruder, we can help you assess this.

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@croc , I have both an MMU2S-MK3S combination and a MK3S-Palette 2S Pro combination. After the latest upgrades to MMU2S hardware and firmwares, including replacing the PTFE tube going from the selector to the extruder with a larger (3mm) ID tube, my MMU2S has become much more reliable. But it took me some time ( I have my MMU2S for over 2 years now) to understand the issues and arrive to this point. I now use the settings suggested in the PrusaSlicer for generic PLA. It is not perfect but filament feed success rate is >95% so far for prints with >300 filament changes and over 20 hours. A positive note for MMU2S filament feed issues, usually they are not catastrophic, you can recover and continue printing almost always, just takes longer to finish.

In the beginning, after a year of frustration with the MMU2S, I bought a Palette-2S-Pro hoping it would be better. My Palette 2S Pro never worked with my PLA filament stock, it had its problems, mainly random breaking PLA filament (and not always in the splice junction) due to sharp bends in the buffer when it reaches the minimum setting. In my experiences, PLA+ or PLA_Pro work better in general (but not guaranteed) as it is slightly more flexible. I could never print reliably with my Palette until I changed to using PETG filament in it, which is much more flexible and therefore does not break in the buffer. Since using PETG, my success rate is also over 95% for prints with a large number (>250) of splices, lasting over 20 hours. On a negative note, in Palette’s design concept, a filament break in the buffer is always catastrophic, you cannot recover from it and loose your print and time.

Now, the newly announced Palette 3 may have resolved the Palette 2’s buffer issues, the PTFE tube in the buffer may prevent the sharp filament bends, but it is to new to tell for sure. However, if I could sell my Palette 2S Pro, I would go for a Palette 3 just because of the recent buffer changes. If you can afford it, the combination of Palette 3 and MMU2S, is a good option for colour printing since prints take much longer compared to a single colour print. I hope you will find my experiences helpful.

By the way, I am a retired electronics engineer and spend maximum 12 hours per week, on 3D printing as a hobby.

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Hi Michel- That is great information. I appreciate the time you have taken to give a great explanation as to your own experiences with the MMU2S and the P2P. So If I want to use my MK3S+ which is now modified to accept the MMU2S do I have to set it back to factory-build prior to making the changes or can I use it as is and set up the P2P without necessarily removing the MMU2S? Thks

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Hi Chris: If I remember right, according to what I read in the Prusa forum a while back, if you just disconnect the data cable from the MMU2 to the MK3 controller, apparently you can use the MK3S as a standalone printer. This tells me that you should be able to connect Palette’s output PTFE directly to your extruder. It is my understanding that the data cable disconnection returns the MMU2S to the original state of the MK3S but I never tried it. You can quickly try it using a single filament input to the extruder first, if it works, Palette should also work. You can check Prusa Forums for more info on this also. Good luck.

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Hi Michel- that's great advice and info. Many thanks for that.I will give it ago:-). Cheers

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After a 2nd attempt about 12 months apart I finally got the mmu2 working fairly well.

To add a p2p I disconnected both the data cable and power cable from the MMU2s which allows it to be removed. I had to print an adaptor created to allow the p2p input tube to go into the MMU2s modified extruder.

Also turned off the filament sensor.

So far the small number of prints P2p prints I have done have worked pretty well and with more reliability and less mess, jams and worries about filament tangles than the MMU2s. So prefer the p2p to the mmu2 so far.

The biggest thing I miss about the mmu2s is when single colour printing is the ability to easily select from one of 5 filaments in the slicer and have then auto loaded by the mmu2. Also have found the fans on the p2p a bit noisy.

As I ended up splitting most of my mmu2 or p2p prints into 2 colour sections to avoid the massive extra time (as well as waste) each additional colour change adds I think ultimately an idex may end up being a more practice solution in most cases for someone like me who is not keen on multi day prints.

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That's great advice Dave- I really appreciate it. I think what I am going to do is keep the current printer as is and get another Prusa iMK3S and link that up to the pallet when it arrives. Thanks again for your comments - really appreciated:-) Cheers Chris

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Chris will be eternally grateful.
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