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Ultimulti MMU3 project is a DIY multi-material solution developped in parallel with the Original Prusa MMU3, with the ease of use and reliability being the two key improvement objectives, while still maintaining a reasonable…
Remixed the R17 Ultimulti version of the idler to remove rattling sound when idler moves. Remix of the original Prusa standard idler version here . Print as oriented. This remix adds a .5mm bearing spacer to each wall of the bearing slots…
On high request, I made legs to mount UltiMulti inside coreboxx UltiMulti is an optimised MMU3 experience, with many upgrades like; Way better access to the filament path Easy opening of the idler with a clamp design Way better cable…
Credit where its due I find the UltiMulti version of MMU3 to be a welcome upgrade on the MMU2/MMU3 basic design by prusa. Its a credit to @David_84304 huge amount of effort to design this, and I am thankful he made it available.…
I remixed the selector front plate to accept a PC4-M10 coupler.
Ultimulti version for Coreboxx with double lock mainly to prevent fails I had with slots number 4 and 5 after sometime of use of the original with 1 lock. I made my own compilation of part I'm use, with this I have increased reliability…
I have modified the front plate so that a PC4_M6 coupler can be mounted.
What is included here are the files that you need to print to get the dual lock, which is the Idler Body, the Pulley Body, and the right Lock. You need an extra M3x35 screw with a spring and an M3 square nut, that you should have gotten…
I fixed the little issue with the ELECOVER_BOTTOM_C13, where the walls are to thin to print. Doesn't change much but it is now able to be printed correctly :-).
Final release after more than 6 months of developing and testing! After a several month long beta process and countless improvements (especially of the auto-rewind mechanism) the complete EMMS works 100% reliable for month now. It took…
I did not need the PD-board, so I left that feature out.
I wanted the fantastic Ultimulti MMU3 by @David standing on the top of the original prusa enclosure *. Therefore I had to modify the original frame clamp into a stand for flat surface that should not claim to much room of the limited top…
(Edit: I finally learned how to intrude text to objects, so I have removed the Project files, and you can create your own. Basically everything is printed on 0.20mm STRUCTURAL and 15% infill, with a 0.4 nozzle in PETG.) 2 sets of…
I am sharing my modified legs for the MMU3 UltiMulti mod that allowed me to attach them to the Core ONE. There are two holes in the upper frame piece that are the exact perfect width for the MMU3. Just need a M3Ns nut and two small'ish M3…
LED diffuser strip for UltiMulti MMU remix printed in black/clear. You can print in a single color for sure(clear) but thought maybe the black between the lenses would help isolate light to each position.
After converting my MMU3 to an UltiMulti MMU3 , I felt it was missing something. More specifically, the little splash of color offered by the original MMU3 label-plate. The angle of the embossed slot labels when the UltiMulti is mounted…
A clean, functional, and easy-to-print back hole cover for the Prusa CORE One MMU3 Community Version, also tested and confirmed to work with the Ultimulti MMU3 setup. This design completely covers the rear pass-through hole, helping to…
Mým záměrem bylo nainstalovat Ulti Multi MMU3 na CORE One bez toho aby se zásadněji měnily rozměry a nebyla potřeba baterie externích bufferů. Hlavní cíle: Významně nezvětšit rozměr CORE One. Udržet uzavřenost CORE One. Vytvořit možnost…
Some PTFE tube combs for better tube management. Various shapes and holes. Created for setting up my new build of an Ultimulti from scratch. Only need a few but I'm sharing these files. My printing params on my Ender3v2 : Filament : PLA…
I have to mount my MMU outside of my enclosure which means I have to mount it on a 30x30 aluminium extrusion. So I took the Ultimulti parts as guideline and designed some new holders inspired by the Bear Project “design” of the MMU2s…
Remix of the MMU3 UltiMulti COLLET HOLDER C7 designed to accommodate larger collets, which are more readily available on AliExpress and Amazon. The in the orignal model used collets from e3d are smaller and therefore not compatible. Happy…
Printed in PETG on my MK4 to accomodate the PDU clearance issues. PETG 0.4mm nozzle on Prusa MK4 0.30mm layer height 5% gyroid Infill 3 Perimeters 5 top layers 4 bottom layers Print time ~1 hour
Printed from PETG: Extruder #1 - Body - orange Extruder #2 - Numbers - black Extruder #3 - Windows - clear Enjoy!
Legs to mount the UltiMulti unit to the enclosed CoreONE. Mount using M3 screws.
I remixed two parts of the selector for MMU3 UltiMulti by David ( @David_84304 ). SELECTOR_FRONT_PLATE_B5_PC4M5.stl The original design required a heat insert, which had to be purchased separately. To eliminate this requirement, I…
================================================================================ Update 16. 5. 2026 - buffer v2 Verze v2 - přepracovaný buffer Upravené díly : buffer-holder-v2.stl (buffer-holder-spacer-v2.stl, buffer-holder-body-v2.stl),…
This adds a thread to the Idler Body as one of the other metal pin kept moving to the outer side, blocking the mmu3 sometimes. Recommended Print settings: 0.20mm Structural, 0.4mm nozzle size Organic support on build plate only Use a M3…
Mým záměrem bylo nainstalovat Ulti Multi MMU3 na CORE One bez toho aby se zásadněji měnily rozměry a nebyla potřeba baterie externích bufferů. toto řešení navazuje na Prusa CORE One UltiMulti MMU3 Hlavní cíle: Významně nezvětšit rozměr…
I remixed the 5 degree legs to fit my ultimulti mmu3 label in prusa style. now you dont see any cables from under too, its cleaner ;). the ultimulti name label is from; https://www.printables.com/model/905310-ultimulti-label-pointer-mod…
This is my take on the Ultimulti MMU3 Upgrade. I have printed the double lock version with his remixes as well as some of the original Ultimulti parts. I updated the selector to be like the MMU3 selector by making the cutter the same. The…
I had the problem, that often some filaments runs out of the mmu back to the spool due to auto rewind mechanism, so I was searching for a solution that does not have impact to the filament changing function. After some other tries like…
The clamp for the FINDA probe on the UltiMulti Selector_B19_Experimental.stl part broke when I tried to tighten the screw. I also preferred KuroNeko511's Finda Clamp Mod before I switched to the UltiMulti, so I combined that to the…
Used the PC4-M10 model and modified it to accept the larger PTFE cutter blade. I used a screw and washer to secure blade to selector. Have been testing for about 6 months with no issues. Ultimulti recommended print setting should work. I…
Mým záměrem bylo nainstalovat Ulti Multi MMU3 na CORE One bez toho aby se zásadněji měnily rozměry a nebyla potřeba baterie externích bufferů. toto řešení navazuje na Prusa CORE One UltiMulti MMU3 Hlavní cíle: Významně nezvětšit rozměr…
Just be aware I made this at a time nothing was available for Ultimulti and Prusa blob mmu3. so me as a not designer I just did what I possibly could. I know it’s horrendous, but works! The holes need to be a bit punched through. As I…
Update - Don't use this, the tube doesn't go nicely into the enclosure top. I'll need to lower it, which will require the re-working of the electronics. I'm not very happy with the access once completed. See the picture. I switched back…
This model utilizes the MMU floor mount designed by @MIRE ( Collection of mods for coreboxx premium) V2 is ready and I'm much happier with it. It raises the MMU 30mm over the V1 to give the out PTFE a better angle to the slot in the…
deeper holes for the standard m3x16 screw from the original Leg's
My Ultimulti had its legs prepared to be installed on my Coreboxx premium, but I also wanted to try the MMU3 Community Edition with Ultimulti. Since the legs on Ultimulti for Coreboxx are a bit touchy to install and are very near the…
This extension foot is designed for the Ultimulti legs for Coreboxx , allowing it to be mounted securely to the floor at a 40° angle . It provides additional stability and flexibility for installations where the Ultimulti needs to be…
I am not great with designing from scratch but I have become pretty good with cutting and splicing. This remix was actually made from two different models. I hope I tagged them correctly as this is my first, ever, remix post. I have the…
I an working on converting my MMU to Klipper and wanted to mount my controller directly on the MMU instead of the side.
This extension foot is designed for the Ultimulti legs for Coreboxx , allowing it to be mounted securely to the floor at a 40° angle . It provides additional stability and flexibility for installations where the Ultimulti needs to be…
deeper holes for the standard m3x16 screw from the original Leg's
This model utilizes the MMU floor mount designed by @MIRE ( Collection of mods for coreboxx premium) V2 is ready and I'm much happier with it. It raises the MMU 30mm over the V1 to give the out PTFE a better angle to the slot in the…
I fixed the little issue with the ELECOVER_BOTTOM_C13, where the walls are to thin to print. Doesn't change much but it is now able to be printed correctly :-).
I want to use this solution for the MMU with an Ultimulti, waiting for the next generation of MMU. Warning ⚠: The buttons to control the MMU are not accessible or at least barely usable. It's just a temporary solution in my case but an…
These are modified mounting rails that allow you to mount an Ultimulti to the MMU3 CORE One Community Edition without having to leave the control board dangling out in the open. Printed using 0.4mm nozzle, 0.15mm layer height Tested with…
I needed to mount the MMU3 UltiMulti to my 20x40 Bear frame, so remixed the original models Maintains all functionality of the original design, and simplifies the reset button area a little, which needed to be done to work with my…
I added some windows to the electronics cover. In order to get this to print properly with the MMU2S, I had to thicken up the front wall of the electronics cover a bit so that there were enough walls to keep the print from failing. This…
Remix off the feet from the printer box / prusa box and ultimulti 3. Plug and play. easy mounting. If you add this to your collection and/or download the model, please click the LIKE button and give it some STARS ! Remember, you can earn…
![LGB [A5] Rewindr installation on Prusa CORE One UltiMulti MMU3](https://media.printables.com/media/prints/a2f74b23-29c1-4d3e-bf93-49f9a08e340a/images/10651718_31af951e-f011-4d75-9dd0-57a9fe36223c_3aaa957a-6613-4110-a12d-9901930de768/img_20250911_095819_332.jpg)
