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  1. This is a project by a group of community members which was also involved in the Mark2 dual extrusion upgrade. More precisely, it's me coming up with an outside the box approach / weird idea for a certain unresolved problem. Smart people like @gr5, @Anders Olsson, @Dim3nsioneer, @rooiejoris throwing in ideas and @tinkergnome who implants the stuff into firmware. My impression of the current state of development when I started this was as follows. There have been filament monitor projects since the beginning of reprap. Only very few made it to some kind of product state, like the one by Aaron Tunell. Manufacturers like Prusa and others recently introduced some kind of filament monitors, with mixed success / reliability issues. The Duet3D guys set their hardware research (laser-based and rotating) on hold because they were experiencing inaccuracies of +/-20%. Well and then there was Ultimaker ... until yesterday with the S5 All these efforts have been or still are struggling to fulfill the most important objective: NO FALSE ALERTS. Otherwise any filament sensor would quickly render itself useless. What we want to achieve Objectives, the obvious part: zero false alerts detect filament runout ("nothing there") detect filament grinding ("nothing/very little moves") Objectives, the challenging part: detect first layer issues (see video below) detect when real flow leaves a certain safe process window and starts to compromise part quality (first, inter layer adhesion will suffer, then classical under extrusion will be visible) and try to counteract, that's where the real fun starts ... Current state of development We chose an encoder and there's a reliably working prototype for an easy to attach external flow sensor, mounted to the entry side of the feeder. Resolution is in the range of 0.015 mm. It's integrated in Tinkerware with a dedicated menu and we (well, he) implemented a gcode command: M591 T0 S1 E0.5000 L0.01695 R35:130 A0.3 P100.00 I leave the parameter interpretation as a little quiz here. Right now I'm working on a modified design which, besides the encoder, doesn't need some parts which cannot be printed and are in the +30€ range to have them manufactured. But most likely some parts will still not be FFF printable. How can I get this? First give us some more time to test and evaluate. If everything works like intended we might proceed like with the Mark2 project. If we should offer this as a product I'd expect a price tag between 70-100 €. And the UM3? That's the BIG question. Like @Daid recently stated their main market is already different. And indeed, has anyone seen any kind of (hardware) upgrade for the UM3 so far? Feeders are the same, mechanically our sensor fits. Electronics, not sure. Ultimaker originally wanted to use a serial interface on the UM3. For the UM2+ we simply connect the sensor's quadrature output signal to free I/O pins, there are enough left (4) for two sensors for a Mark2 dual extrusion UM2. Ultimaker won't do anything to support a sensor on the UM3. Anyway, if a large number of UM3 users would show interest, they might at least not impede a development ...
  2. We’re happy to announce that we’re releasing a firmware update to the popular Ultimaker 3 and Ultimaker 3 Extended. Firmware 5.2.17 will contain: material profiles for the new Ultimaker PETG improved Digital Factory integration bug fixes, among others improved networking packages Ultimaker PETG With firmware 5.2.17 your Ultimaker 3 will support the new Ultimaker PETG material. Your Ultimaker 3 will recognize Ultimaker PETG via NFC and you will be able to select PETG from your material selection screen. Digital Factory The connection to Digital Factory has received the pin code connection, bringing it on par with the S-line 3D printers. Admins in the Digital Factory can secure settings and prevent unwanted changes to devices by unauthorized users. Secondly, the camera stream is now also available in the Digital Factory. The stream is a series of images that will be updated every 10 seconds by the camera in your Ultimaker 3. Lastly the print queue for the Ultimaker 3 can now be modified in the Digital Factory. Bug fixes & improvements Improved networking packages - We fixed some networking bugs that causing print stuttering. Screen bug – We fixed an issue that could, in certain cases, cause the screen to appear garbled or shifted. Active leveling improvements – We fixed some active leveling issues caused by reusing old probing data, which could lead to printing too close or too far from the build plate. UI Interface – Updated all copy to correctly reflect the Ultimaker platform and the Digital Factory Italian translations – We fixed some strings that were incorrectly translated in Italian. Special thanks to Alessandro from Crea3D for reporting! Official release notes you can find here Instructions on how to download the new firmware for the Ultimaker 3 you can find here Thanks, have a great day!
  3. Hello there Ultimaker friends, Getting some intermittent trouble with my UM3 after updating to the latest firmware (5.2.18.20210820 stable), including: - OLED screen breaking on/near print completion (see image) - Wi-Fi dropping randomly Things I have tried: - Factory reset - Flashing recovery image and reupdating The issue persists, so I believe it's some sort of firmware bug. Since it the UM3 firmware isn't actively developed anymore and it's impossible to downgrade to the previous version, can anyone help out? @CarloK? Logs/images attached. Also, well done for sneaking this in: UM3_logs_140921.zip
  4. I need to print TPU95 with small details, on my UM3 According to this article : https://support.ultimaker.com/hc/en-us/articles/360011940440 UM2 is compatible with TPU95A and 0.25 nozzle, but not UM3, which is 0.4 or 0.8 only Is there a technical reason about it ? How can you loose a spec upgrading the machine ? Actually Cura don't want to slice in this configuration, like it is totally forbidden. Is there a way to damage the printcore ou the printer ? Anyone already tried ? Thanks
  5. Is there a way to activate footprint probing on the UM3? i.e. active levelling probing within the area of the print instead of the entire build surface area. I seem to remember hearing the functionality was there but just not enabled. I ask because I found this interesting snippet of code in '/usr/share/griffin/griffin/machines/um3.json' "bed_level_probing": { // "use_footprint_probing": false, // Whether or not to just probe the footprint of the object "use_footprint_probing": true, // Whether or not to just probe the footprint of the object As above, I changed the value to true but there didn't seem to be much effect. It didn't break the machine at least, so that's nice. There was also an option for a filament runout sensor, which was a feature scrapped at the last minute for this particular machine if I recall? I'm aware development for the UM3 isn't really a thing anymore but this would be a cool feature to have if the community can hack it! Cheers
  6. Hi, I started to notice that my UM3 will not lift/retract nozzle 2 during auto leveling or when starting a print where nozzle 1 is to be used. I did a manual leveling and disabled auto but im concerned the quality of the prints will be compromised. How can I fix this issue? Thanks in advance
  7. There are a few other topics floating around that discuss accuracy and calibration of the printers, but my issue seems to be above and beyond. First off, I am running a UM3 with 0.4mm Cores, mostly MatterHackers PRO PLA and PRO Nylon material. The issue is that my parts are consistently 0.010" (0.25mm) over size on outside dimensions (OD/PIN), and 0.015" on inside dimensions (ID/HOLE). I have spent a lot of time printing calibration cubes and if I print a single wall cube with 0% infill, my print comes out perfect - as in, +/-0.001 with the occasional 0.005 outlier - but I can live with that, this is a CNC machine. However, as soon as I add multiple walls, the part grows (consistently) to +0.010 overall. This is true for 2 walls, 3, 4, and so on. I can print 6+ walls with the same result. Since the single wall part prints perfect, I have to assume that my material calibration is correct - right? Hopefully this describes the issue thoroughly enough. To combat this issue I have tried: -->negative horizontal expansion This *sometimes* works, but some surfaces (typically inner diameters) and angled surfaces do not get adjusted, so they end up being oversized pins and undersized holes if the surface is not perfectly vertical. --> outer before inner walls this helps, but does not seem to do enough --> adjusting line width I have 0.4mm cores, which default to 0.35 line width. lowered it a few 0.01mm increments with no success. This seems obvious to me since cura just shifts the shell thickness over and you are left with the same "over extrusion" --> Model parts with 0.010" smaller pins, and 0.015" larger holes works, but is pretty inefficient. A lot of the jigs and fixtures I print are typically meant to be machined, but we have been trying to print them in order to save some machine time. Not everything needs to be made from metal. If we know this ahead of time, I can make sure the parts are designed with extra clearance, but this is not always so easy. --> adjust flow rate This is obviously not a good solution, but I tried it and its pretty tough to dial it in and of course underextrusion results in weaker parts I want to point out (again) that I understand this is not a CNC machine milling metal and that +/-0.005" is asking a lot of a printer. however, this parts are consistently oversized, so I feel that there is some tuning or Cura setting that could be changed to compensate for this. Some part that require extra precision will be post machined with a single pass or something, not a big deal, but I dont want to do this with ever single part - kind of defeats the purpose. Sorry for the long post, but I wanted to be thorough. Any suggestions are greatly appreciated. 111222_dowel_fixture.stl
  8. Hi, I'm new to 3d-printing so I prefer using the standard settings of Cura. Every print starts with a prime blob. I guess that's ok. But as soon as the prime blob is ready the print bed starts raising at the same time that the print head starts moving. That causes the print head (to be more precise: the bottom of the front fan) to hit the top of the prime blob. If the prime blob is PLA then it just flattens a bit but it stays on its place. But if it is PVA then the prime blob often falls down and sticks to the print head. The print head then drags the blob onto the center of print bed, ruining the rest of the print. Request: Isn't it possible to alter the Cura-software (or is it the firmware?) so that the print bed waits a second before starting to raise after the print head has started to move to avoid this collision?
  9. I have an UM3. When using UM PLA with the default Cura profile I get pretty good results, the layers look pretty neat. I've tried using eSun PLA+, which seems many people like. I've printed a temp. tower & retraction tower and went with the best settings, however I am getting these strange patterns on the print. I've tried temp. from 210 all the way down to 198 deg. C and the pattern looks about the same. Any suggestions?
  10. Hi, I wanted to print something like this with Ultimaker 3. However the print failed. As you can see the left pillar was suffered from weird stringing. I tried the second attempt reducing Print Speed from 60 mm/s to 20 mm/s with no avail. The problem occurred almost only to the left pillar. Instead of thin strings connecting between pillars, relatively thick (0.5 mm?) curly strings appeared and tangled up mostly at the "southeast" corner of the left pillar. Priting Temperature, 180°C Enable Retraction, enabled Z Hop When Retracted, enabled The nozzle has a little bit of black PLA but extruding all right, and not stuck. The curly strings look pretty different from stringing examples on this page: https://support.ultimaker.com/hc/en-us/articles/360012016280-How-to-fix-stringing Does anyone have any idea to fix this problem?
  11. I was doing manual leveling and follow it with active leveling once a time every month, mostly. No matter how i manual level the nozzles, whenever active leveling is done, the printer will always press nozzle 2 too close to buildplate once print is started. I can see the nozzle was so close that it got pushed back a bit upwards, so close that filament cannot print out of it. Core 1 will always be fine and well calibrated, while Core 2 will always be too close to bed, after active leveling. Either the active leveling is buggy, or the result of Z calibration between the 2 nozzles are not memorized by the machine. Is there a fix to this? I am not sure why this is happening. I suspect the distance between Nozzle 1 and Nozzle 2 somehow was wrong. Now I have to set the machine never to do active leveling, and rely on manual leveling. It will be great if there's a way to manually set the Z distance difference of the two cores in cases like this when the active leveling somehow failed?
  12. Hi to all.. i need to invert extruder direction in my ultimaker 3 by putty sfw because i ve installed bondtech qr upgrade, but they works in opposite direction! i ven't right hand, sio i can't change motor's pin in plug... i 'dd prefer to set them in firmware... does Someone know comand line to open correct file in the root where i could change this values? thank you
  13. Bonjour à tous ! Notre équipement a fait l'acquisition d'une imprimante Ultimaker S3 dont nous sommes en phase de test d'impressions depuis quelques semaines. Nous utilisons une boite Polybox de Polymaker pour stocker nos deux filaments contre l'humidité, surtout le PVA. Nous les insérons directement dans le feeder via la boite lors de l'impression. Nous venons de remarquer une anomalie un peu étrange, l'imprimante arrête d'imprimer toute seule et affiche le message suivant "Le matériau pour le feeder 2 semble être à l'état vide. Veuillez le remplacer par un nouveau matériau pour poursuivre l'impression" Cela a été vu 2 fois sur des impressions différentes. On a du relancer 3 - 4 fois pour que l'impression se finisse complètement Nous avons effectué nos impressions depuis le début sans utiliser le porte bobine avec détection NFC. Nous utilisons des bobines Ultimaker Pearl White et PVA. Je ne comprends pas pourquoi ce message apparait, ce qui ruine nos impressions, la machine repart trop rapidement en impression alors que la température des bobines n'est pas atteintes (200°C environ pour les deux filaments) Savez-vous s'il y a un moyen de "trick" ce message afin qu'il n'apparaisse plus ? Au début on avait aucun problème sans le porte bobine NFC donc je ne comprends pas pourquoi elle nous met se message 😕 Merci d'avance pour votre aide !
  14. Hi, what is command line by putty sfw for inverting direction of bondtech qr extruder? I don't know where are the lines showed in bondtech troubleshooting or Configuration.h in my um3 frw !! Please help me
  15. Ich wende mich mit einer Frage an dieses Forum, da ich - auch nach längerer Suche - leider keine Antwort im WWW gefunden habe. Es geht im Folgenden, um einen zwei Komponenten Druck mit PLA und PVA, bei dem (rein exemplarisch) der bekannte PVA_Würfel (siehe Abbildung "PVA_Bauteil") entstehen soll. Durch den hierbei notwendigen Einsatz von breitflächigem Support (siehe Abbildung "PVA_Endprodukt"), kommt es während des Druckes mehrfach dazu, dass die Schicht zunächst mit dem PVA-Material begonnen wird. Die diversen Positionierbewegungen verlaufen dabei jedoch über das - in dieser Schicht - noch nicht gedruckte Bauteil (siehe Abbildung "PVA_Bewegung"). Da die Distanz zwischen dem Ende und dem Start der neuen PVA-Bahn so gering ist, kommt es dazu, dass Fäden gezogen werden, welche durch Einschlüsse das Gesamtergebnis des fertigen Bauteils negativ beeinflussen. Dieses Problem tritt dann eben jede zweite Schicht auf, da ein Wechsel nach vollendung einer Schicht natürlich ineffizient ist. Jetzt war ich also auf der Suche nach einer Option im Sinne von "Bei jeder Schicht zuerst das Bauteil, dann den Support drucken" oder "Extruder x beginnt immer vor Extruder y". Bestimmt ist noch einiges anhand der Materialeinstellungen zu verbessern, aber es wäre eben viel einfacher, wenn er eben nicht die Bahnen des in dieser Schicht zu druckenden Bauteils fährt.
  16. Hello, I have two Ultimaker 3 machines where I work. As usual, and for some unknown reason, one machine updates via the network automatically and did so just fine. The other I always have to do a USB update. The problem is, the file linked on the Firmware page returns a 404 error stating it doesn't exist. If links are allowed, here is the page I am referring to: https://support.ultimaker.com/hc/en-us/articles/360011587199
  17. As the title says, can you ultimaker developers make this possible? What time would you require until this feature is available? And when do you plan to release it? This feature would be very helpful for people who have lost a print core or who cannot use the second extruder for various reasons!
  18. Hi there, At the end of last year I was granted permission to buy a new Ultimaker 3 for our school. My students designed different things and we printed them. Some things were pretty large so the printer had to print for more than a school day. One morning I found the printer crashed on the floor. The two print heads were totally covered in PLA. Although the UM3 was placed firmly on a big table it moved itself off the table. Has any else had such an experience? We also have a UM2. Moving around has never been an issue with it. Does anyone know how much the replacement of the two print cores, the two side covers and glass plate costs? And where I can get the parts. I contacted my reseller, but they couldn't or didn't want to help me.
  19. Hallo, ich drucke mit einem Ultimaker S3 Extended. Ich habe das Problem, das ich zeitweise beim drucken mit PrinCore1 Aussetzer habe. Habe schon folgendes probiert: · Federer gereinigt. · Neue gekaufter PrintCore eingesetzt. · Auf Werkseinstellung zurückgesetzt. · Kompletter Druckkopf inkl. neuem Kabel, neu gekauft und gewechselt · Firmware Update · Zugspannung der Bänder überprüft und nachgestellt. · Printer wird mit unterschiedlichen USB-Sticks betrieben · Unterschiedliche Werkstücke ausprobiert Was habe ich vergessen zu überprüfen? Kann mir jemand weiterhelfen? PrintCore 2 Funktioniert immer. Hier im Bild mit PrintCore1 TPU95 Schwarz und PrintCore2 PVA neutral - mit Turm gedruckt. Vielen Dank im Voraus.
  20. It is often not so clear how to use 3rd party materials with the UM3 or S5 printers. So I want to give some hints and answers to the common problems and questions. Ultimaker materials Ultimaker materials come with an NFC tag in the spool and the printer is able to read the NFC tag and can detect the material and color during the loading process. Internally the NFC tag contains a unique ID which is then matched against a material database or something like that in the printer software. So if you have loaded UM material which was automatically detected by the printer, then you just have to select the UM material profile in Cura or read the configuration directly from the printer by clicking on the printer at the top right corner in Cura and you are perfectly prepared for printing. The printer cannot detect the Ultimaker material If you have the very rare case that your UM spool cannot be detected by the printer (I have one Black PLA with that problem) then it could be that the NFC reader is not working correctly or that just the ID of the spool is not in the database. In such a case, you have to handle the spool like any other 3rd party material. 3rd party materials If you load 3rd party material, the NFC tag cannot be detected and therefore you will be asked which material you want to load. The list shows all the preconfigured materials that are supported by the printer. For example, you want to load a ColorFabb PLA material, then you should choose PLA from the list and the material will be loaded. In Cura you should select in that case the generic PLA profile otherwise, you will get a warning message that your loaded material in the printer doesn't match with the material you have configured in Cura. You can override this message but it can be avoided by choosing the correct profile. What if you place your Ultimaker PVA material in a Drybox or something like that? Then you have to handle the UM PVA as a 3rd party one. The UM profiles and the generic one are identical, so there is no difference except that you will always get a warning message if you choose a UM profile in Cura and have a material loaded which was not detected automatically by the printer. So as a general rule, if the material was detected by the printer, use Ultimaker profiles, otherwise use the generic ones. Different material types With PLA it is easy because the generic profile is named PLA and your 3rd party material normally also. But what if you buy ColorFabb XT, HT, ngen or some other PETG material and you cannot find it in the material list on the printer? In that case, you have to know that these materials are all of some kind of copolyester and Ultimaker CPE and CPE+ are also copolyester materials. So you just have to choose a material from the list which is similar to the material you want to load. It is enough when you look for the print temperature because this is the only information the printer needs to know to load the material. (heat up the nozzle to extrude some material) It doesn't matter if you choose CPE+ or Nylon or whatever for your 3rd party material if the print temperature is nearly the same. But in Cura you have to take care, that you choose the corresponding generic profile for your print job. Again, if you have selected Nylon on the printer and then use the generic CPE profile you will get the warning message. How to add your own material profiles in Cura? The best start is to duplicate a generic profile and then modify the settings you want. There is one setting which is important and this is called "Material Type". This field must match the name of the material you choose when loading the material on the printer. Otherwise, you will get again a warning message that the materials don't match. For example, you want to create a custom profile for ColorFabb XT. We know that XT is very similar to Ulitmakers CPE and therefore we duplicate the generic CPE profile. You can choose anything you want for "Display Name" and "Brand" but not for "Material Type", this should show "CPE". When you now load your XT in the printer, choose CPE from the list when you are asked for the material and in Cura you choose your custom ColorFabb XT profile which matches with the material type of the printer. It is also important, that you duplicate the generic profile you want to use during loading. So duplicating the generic PLA profile for using with CPE will also throw an error (warning message) because your new custom profile got the GUID from PLA and not CPE. So be carful when creating custom profiles. The future? With the new marketplace materials, there is a new possibility to download specific predefined profiles and I heard that there will also be the possibility to "upload" such profiles to the printer. So with an upcoming firmware, it should be possible to get the material type of such a profile in the material list of the printer. I don't know if this will work also with your own custom profiles, but we will see. I hope I have covered the most common issues and questions, if something is missing or not correct, please let me know that I can edit and correct this post.
  21. Hoi, Vervolg van mijn eerdere topic: UM3 print niet meer na update Firmware UM3 van versie 4.3.3 naar 5.2.16. Omdat een Firmware downgrade niet geholpen heeft, de printer stopt met printen tijdens de offset kalibratie en start opnieuw op, zit ik toch te denken dat het probleem ergens anders door veroorzaakt wordt. Alle testen van de x- en y-as gaan goed maar op het moment dat er vermogen gevraagd wordt, bed en extruder opwarmen gaat het fout. Printer schakelt zich uit en start zichzelf opnieuw op, als of de spanning er even af gehaald is. Wordt het probleem veroorzaakt door een defecte voeding? En hoe kan ik dit eenvoudig testen?
  22. Guten Tag liebe Ultimaker-Gemeinde, ich habe mir einen gebrauchten Ultimaker 3 zugelegt und schon einige Sachen damit gedruckt. Um die Druckqualität zu verbessern, habe ich schon viele Verschleißteile ersetzt und Testdrucke durchgeführt. Alles recht gut, würde ich sagen. Drucker und Cura sind auf dem aktuellen Softwarestand. Nun ist mir aber beim Druck der Cura Calibration Shapes - speziell des Test „Bed Level Calibration“ etwas aufgefallen, was ich nicht gelöst bekomme! Warum ist das manuelle Leveling bei mir besser als das spätere Aktive Einstellen/Nachstellen/Korrektur des Drucker? Ich habe dazu die Häufigkeit auf „Niemals“ gestellt und den Drucker per Anleitung und Karte abgeglichen. Das Ergebnis ist wie in Bild 1 zu sehen. Pfeil zeigt nach vorn. Im zweiten Bild ist dann das Ergebnis zu sehen, welches sich bei Aktivierung der Automatik mit Häufigkeit „Immer“, einstellt. Kennt jemand das Problem und hat vielleicht eine Lösung für mich - außer „Niemals“ als Häufugkeit? Vielen Dank! Rene
  23. Hello, I'm using CPE+ a lot and the results are really great. However, with fresh spools it happens quite often that the filament slips off the spool and entangles somewhere. That happend on a UM3 and on a UMS3. I'm using the ultimaker CPE+ filament. And with PLA or other materials I never observed this issue. Does anybody have experience with this behavior and knows how to avoid it? Thanks in advance! Johannes
  24. Does anyone knows if it´s possible to create own nfc tags for the UM3? The tags from the UM spools can be read from my Samsung S7, but the data format is unknown.
  25. I have access to another UM printer. The UM2 prints the size expected, mine prints differently on the x and y axis (my UM3 prints slightly larger on each, but different percent on each axis. Z seems OK). I will get exact measurements tomorrow, but Has anyone seen this before? Any suggestions on correcting? I first noticed this when printing parts for another 3d printer that needs the parts to run. Any assistance or advice is apprecited.
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