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  1. I've been having a consistent issue with my new Ultimaker 3. I'm using the Ultimaker brand of silver PLA, with its PVA as a support. However, my printer consistently leaves these deposits of PLA material, only on the back right corner of the model on the bed. It seems like it's not retracting properly when the head changes direction. I am using the UM3 default settings for temperature and retraction and such. What is going wrong?
  2. Howdy y'all. ? I run the Texas A&M University College of Architecture MakerPlace (it's a mouthful... we just call it the MakerPlace) and we bought six Ultimaker S5s to further expand our printing capabilities here. Now we have eighteen UM3s, six S5s, two Fusion3 F400-Ss and three FormLabs Form 2s. There are also two industrial-type machines that I do not directly manage but often have to talk to students/customers about: Stratasys Eden and a 3D Systems Projet 460 Plus. We're (the MakerPlace) quite new still and the purpose of the space seems to change week by week. When first I started here, the MakerPlace had a FlashForge Dreamer, a MakerBot Replicator 5th Gen, a MakerBot Replicator 2 and a Cube Trio. Half of them were down at any given point and when it was time for finals, we had students wait up to 3 weeks to get their 3D prints because of how backed up we were. Right now, we serve the students of our college and the main way people outside the college hears about us is through word of mouth. We also have a few other services that any maker space should such as vinyl cutting, tool rental and tons of table space to work. In the future, I hope we will have more specialized tools in the space like an Inventables Carvey or similar. The college has two other spaces that encompass the rest of what students need to make projects: the Woodshop and the FabLab (AKA the Ranch). The Woodshop is a large space with hand tools and power tools galore with 7 laser cutters while the Ranch has the huge tools like a new HAAS CNC machining tool, 2 full size CNC routers, CNC plasma cutting, a CNC water jet and a small warehouse that faculty members rent for XL projects. Now back to 3D printing... In the Fall of 2017 we printed around 50kg and Spring 2018 we printed closer to 80kg. We mostly print in PLA or PLA blends with the occasional co-polyester or composite blend in there. We get a lot of our filament from a supplier down the street from us, Essentium Materials. They've been a fantastic partner to work with! We use an in-house built queue (the "Dashboard") and 3DPrinterOS internally to manage the 18 UM3s and we're waiting for the S5s to be integrated into their software. Students bring us their STL files that they modeled in Revit, Rhino (most popular), or SketchUp. Then we do a little consultation to make sure their 3D print will come out like they want it and then we queue them up. Most of the time, models fit on the UM3. But last semester (spring 2018) we found that we had a line out the (virtual) door for prints on the Fusion3 printers. Next thing I knew, the S5 was announced and I knew we'd be expanding this summer, so I pitched it. The addition of the six Ultimaker S5 3D printers not only gives us more printers to run more jobs on, but we also have an increased capacity for larger jobs that would normally have to queue for the Fusion3. We've had the S5s for around 3 weeks now and they've certainly impressed me. Here's some thoughts about a few things... "What's in the box": The packaging for the S5s was pretty nice, but I think the UM3 did it better with zip tying the linear rods together to prevent shifting that happened to two of the S5s I recieved. I had to realign linear rods on my last two machines which turns out is not that difficult but I still had to do it. The Aluminum plate is not included yet which is fine by me as we primarily print in PLA that only needs some purple glue stick on glass to print well. The Tough PLA that comes with the printer is really easy to print with and comes off the bed nicely. I printed several large things (around 18 hour prints) with no supports to begin testing how well it does for long prints and the material looks great. And it also comes with a 750g spool of PVA. I prefer the 350g spools as we live in central Texas and currently the humidity inside is 47%. (PVA (and PLA for that matter) does not like high-humidity environments.) It regularly goes above 50% and it's just lovely. ? On that note, I store filament in dry-boxes with a bunch of loose silica beads in the bottom which gets down below 15% RH. I don't know specifically how low it goes as the sensors I got on Amazon only go down to 15%! Ha. I also have a PrintDry system which I use to dry out filament that's left out for a few days. Print quality: I have seen and expect these to print very similarly to the UM3 on every front and every combination of materials (PLA/PVA/Breakaway/etc). We typically print at 0.2mm layers for speed but go down to 0.1mm layers as needed by the models. The Form2s print at 0.1mm regularly and go down to 0.025mm as needed. About 50% of the architectural models we print are massings printed at 0.2mm layers and around 80mm/s that the students print in white PLA and sometimes go sand/finish in their studios. We have had a small number of failed prints on the S5 so far, several of which were because of the bug in 5.0.13 firmware that caused some false-positives in the flow sensor. I have not had any clogged nozzles yet nor "spaghetti" parts. I do not consider these printers to be "fast" by any means. The Fusion3's default speed in Simplify3D is 100mm/s and I turned up the speed in Cura for the S5 to 70-80mm/s both at 0.2mm layers and turn up the temperature +10-15C. It makes a big difference. I haven't tested how fast they could print if I turned both speed and temp. up a lot, though. The students need consistency and I found that changing a few things in the "Fast" profile and basically renaming it "Super Fast" cuts off a lot of time and some material usage. Saves money and material! Features: Better bed leveling means the nozzles touch about 12 points on the build plate to get a better "picture" of the levelness of the beds. It does take a lot longer than the UM3. I have not had to manually level them yet, but I also didn't level the UM3s when I got them for several weeks. I anticipate the same for these guys. Filament flow detection and the new feeder mech. is super awesome so far. It's saved several prints from the end of spools. It's so easy to insert material into the new feeder compared to the UM3! No more hurt fingers due to super-strong springs! Just lift the little lever and slide the filament in. Love it. The Touchscreen and new menus are beautiful. It's like using a smartphone. The new menus have pictures of actions to take during, for example, changing filament and that's fantastic. Also I love the "Printer tasks" alert. But... we didn't necessarily buy these for any of these features. One of the main reasons we bought them is to keep our process as close to the same to save on time and effort. It is a lot more effort to switch to Simplify3D when we need to print something on the Fusion3 and change materials on it etc etc than to change machines in Cura. Sure we could easily set up Cura to run the Fusion3s but then each student worker will have to make sure we're using the same version of Cura with the same start/stop gcode, and other similar settings to ensure the jobs getting done consistently. It's much easier to not do that and have the "Simplify3D computer" to slice models for the Fusion3s. Irks... I've had a few strange things happen that were easily solved. Linear rods not aligned when 2/6 printers were delivered. This was solved by contacting support and them sending me a link to Ultimaker NA Support's articles (thanks @fbrc8-erin!). I used a set of calipers to align the rods with the frame. Firmware update bug. The 5.0.19 firmware update just happened and 3/6 of the printers hung on the update process. It had the screen that said "installing update" but stayed there for hours. I was told that this happens sometimes due to a bug and after about 10 minutes of being on that screen to turn off the printer and turn it back on then do the update again. I can confirm this worked and we're all good. Banding on the Z axis. This is probably due to the location of the printers and the materials being used, but I'm still going to mention it. We printed some really tall buildings with 0% infill and no top layers to save on material when I noticed how much the layer lines were showing. It's probably due to vibrations in the structure and I'm going to add some foam padding underneath the printers to solve this. Also, white PLA is really bad at showing these lines and that's what we mainly print in! Whew. That said, please let me know if you have questions about the MakerPlace or the Ultimaker S5 or something else in the post or anything that I missed. ?️
  3. I want to use the Ultimaker 3- 3D printer to Print with Very high temperature materials such as: PEEK, PEKK, ULTEM and their carbon and glass fibre variants with print temperatures between 350 Degrees Celsius and over 400 Degrees Celsius. The problem is the temperature malfunction that occurs just over 350 Degrees C, this is the part I need help with, How Can this Be bypassed? the project information: If you choose to do this, I am not responsible for the device jamming from excess paint/incorrect positioning of components during application of C-Coat (TM) given my directions. The Experimental means by which the existing hotend(s) should to be modified in order to prevent the plastic contacted surfaces from bending or melting During Use is described: ---before doing what is described, please clean all oil and dust from the metal surfaces to be painted!--- The entire heating block (Excluding the Nozzle, and the axially adjacent Nut) is Coated with: C-COATTM ceramic thermal-insulation Paint, using a very small paint brush, then leave to dry. raise the bottom of the heat-sink from the plastic holder so the heat-sink no longer makes contact with the plastic holder, either clamp the holder in this position or remove the top holder screw to release the tension in the spring all together, coat the bottom of the heat-sink with the C-Coat paint, then set aside to dry. Now the top screw must be removed in order to release tension on the spring for this step- pull the heatsink assembly all the way back in order to expose the bottom part of the heat sink connector which comes into contact with the plastic holder, now clamp or zip-tie the heatsink assembly in this position and apply a thin layer of C-Coat to the exposed metal surface, leave to dry, then remove to clamp or ziptye and push the coated bottom of the heat sink against the plastic holder face, secure and paint another thin layer on the end of the exposed metal surface, leave to dry, at this paint all of the faces that directly contact the surface of the plastic holder have been coated with the micro insulation paint (C-Coat). C-Coat insulation experinment:
  4. OceaneML

    PVA pas très fiable !

    Bonsoir à tous, J'ai besoin d'un conseil pour choisir un support moins pénible que le PVA Ultimaker. Je n'ai aucun problème avec le Breakaway mais j'ai aussi besoin d'un support soluble. J'ai vu différents supports mais je ne sais pas trop quoi choisir. (HIPS, M.PVA, BVOH... ?) Merci pour votre expérience.
  5. Bonjour, Je souhaiterai arrêter l'impression à une hauteur précis (à partir du nombre de couche par exemple) pour insérer un objet puis ensuite continuer l'impression. L'idée est de mouler une lamelle de verre dans mon impression. Pensez vous que cela soit possible et si oui comment ? Merci d'avance
  6. Hi guys, I have the problem that on long running prints I get underextrusion during the print. I'm using an Ultimaker 3 with standard AA 0.4 nozzles and PLA. At the beginning everything is normal and looks fine, but after some time underextrusion starts till in the end no material is extruded any more. Afterwards I have to clean my nozzle because it is clogged. I already checked the feeder, this is looking fine. I don't think that it is the material as this is not the first time this happens and not only with this material. Also it just happens in long running prints. I also checked the other nozzle, but there i have similar problems. Do anyone has any ideas left? Thanks in advance
  7. Pretty amazing that my $160 printer is trouble free while a Ultimaker 3 Extended, a $4,300 printer, has so many issues. The latest one is the infamous "There is an I2C communication error" few hours into a print. I am attaching the logs which I saved to flash drive but I'm not holding my breath anymore to find a solution. boot-0 boot-1 boot-2
  8. Hi all! Is anyone selling a used Ultimaker 2, 2+ and 3 in the UK? Looking to update my current printer. Cheers!
  9. Bandy

    Printhead freezing at random

    Hello, I'm looking for some help/advice. When using my UM3 the printhead just stops moving in the middle of a print job. The fans on the printhead stay on, the head keeps it's temperature, motors still on, but no movent. The display is still responsive, I can navigate and choose pause/tune/abort, however the hardware does not move. I currently do a reboot to get the printer to initial state. I'm having the problem since a long time (1 year), but I always restarted the job, now I want more reliability to do longer print jobs. It happens quite often, but since I'm an 'occasional' user, I lived with the issue. If I remember correctly, the issue started after a major Cura and firmware update (at that time I didn't realise it would be a repeatable long-lasting problem) Printer firmware: any help/ideas? somebody with similar issues? (Also, is there official support from ultimaker? or only community?)
  10. Dear All, ist it possible to change the cores of ULTIMAKER 3, to print filaments with other diameters rather than the standard ones of 2.85 mm? I am wondering, whether it could be possible to print filaments of e.g.with a diameter of about 1.75 mm. I appreciate any help and suggestions in advance. Cheers
  11. Hi, I'm hoping someone will be able to help me. I've had 4 failed prints in as many days now. I've tightened up the pulleys and the short belts onto the stepper motors. I had luckily printed two alignment clips to ensure that the axis rods were aligned. But the problem is continuing, the slider blocks are not holding the x-axis rod. The rear one pops out mostly, but they're both not adequately holding the rod. It's not loose - just that they can release the rod if it knocked against a building print for example, but the prints are fine - until they stop. There's no evidence of the print head knocking against anything. In Cura I've changed the infill to be 0% and the line number to be 10, to minimise the x-y movements and to fill the interior with just perimeter offsets. This helps to reduce the jerky movements - but it is not solving the problem. I don't want to tape, or otherwise hold the rod in place as I'm concerned that this is the safety mechanism to ensure that the motors are not damaged if the axes are not aligned and forced to print skewed. Can these slider blocks' clasping feature wear out and loosen over time - is this a thing? I've tried to buy the slider blocks and belts from my re-seller, but they're not available in their online shop. TIA.
  12. BarbaraK

    Nivellierung der Druckplatte

    Hallo, kurze Frage ich arbeite mit einem UM3 und habe bisher immer die aktive Nivellierung genutzt. Ist es möglich sich anzeigen zu lassen, wie der Abstand zwischen Druckkopf und Glasplatte ist. Kann man quasi diese Werte auslesen und sich anzeige lassen? Danke
  13. Today, a new stable Ultimaker 3 firmware will become available. SvG is out of the office, so I will do the firmware post this time Firmware 4.3 mainly contains Cura Connect improvements, but also includes a new accessibility feature for the UM3. It is available for download through the menu on your Ultimaker 3 / Ultimaker 3 Extended. Go to ‘System’ => ‘Maintenance’ => ‘Update firmware’ and select ‘Stable version’. You can also follow this guide to install via USB. The blog post is here. As always, let us know your reactions in this thread. The full release notes, including bug fixes, are below: Embedded Mouse accessibility. To give greater accessibility to users with physical disabilities, a wired USB mouse can be hotplugged into the Ultimaker 3 USB port, as an alternative interface to the Ultimaker 3 button. Moving the mouse in X/Y directions is equal to rotating the button, and a left mouse click is equal to a button click. Cura Connect Extended language support. Improved translations for English, Italian, French, Spanish, German, Simplified Chinese, Dutch, Japanese, Korean, Russian, Portuguese, Turkish, and Polish. Due to lack of community support, Finnish has been removed. Optimized JavaScript bundle.js. The size of the JavaScript bundle.js has been reduced to speed up Cura Connect page loading time. Material color and type. Jobs sliced for generic materials are printable on any grouped printer with a matching material type, regardless of brand or color. This brings the behavior in line with Ultimaker Cura. Manage outside jobs. Jobs started from USB, or reprints after an abort are now manageable from the Cura Connect UI, giving the user more control. Pause, resume and abort. Jobs can be paused, resumed or aborted from within the Cura Connect UI, giving the user more control. Custom confirm dialogs. Default JavaScript dialogs have been replaced with a new popup component, which brings the language, look, and feel in line with Ultimaker Cura. Mobile view. The mobile view has been optimized to show clearly on small screens. Firmware version visible. The firmware version of each printer in a group is now visible on the printer details page, offering a centralized overview for users rolling out firmware updates. Bug fixes Updated tooltips. The tooltip content has been updated to fix spelling errors and clarify messages. Prevent group ‘stealing’. New rules have been implemented to prevent problems caused by adding hosts, or printers already in an existing group, to a new group. Recursive printer groups. New rules have been implemented to prevent manually adding a printer to a group that it is already in. Edge browser IP address formatting. Fixed an issue where Edge browser formatted IP addresses as phone numbers. Sticky reservations. Fixed an issue where rescheduling jobs wouldn’t work after "move to top" or "override configuration" operations. Umlauts in file names. Fixed a bug where umlauts in file names caused crashes.
  14. I Have a brand new in the box never opened ultimaker 3 for sale. i have a taz 6 that will tide me over until i can get an s5. for now i need the money : ( asking $3000 shipped . i paid $3495 before the $287 tax (tax was including some other filaments i bought ) so im selling at a $750 discount from what i paid . open to all offers above $2500. need to sell asap. thank you.
  15. Hi guys, there is an error when printing 10% process and pause, and remind me to abort this print. No problem while slicing in Cura. And all my software and firmware are both the latest version of Ultimaker 3. I searched and found that seems no one have the same problem as mine. Is that so? Thank you.
  16. OceaneML

    Biofila Platec

    Bonsoir à tous, Je souhaite imprimer le support Hardcore pour changer les buses de DidierKlein mais il semble que le Biofila Platec n'est plus distribué. Quel autre filament puis-je utiliser à la place ? (résistance à la température de la buse qui est chaude). Merci pour votre aide.
  17. OceaneML

    Profiles pour HardCore 7

    Bonsoir à tous, Je viens d'acquérir un HardCore 7 pour UM3 et je voudrais bien créer des profiles. GR5 avait un "HardCore profile installer" pour CURA 3.0 et 3.1 mais il ne fonctionne plus pour CURA 3.6. Je cherche si possible quelque chose de plus pratique que d'utiliser les Print Core existants en modifiant les données. Merci pour votre aide.
  18. Hi, What's the pitch of the lead screw in the UM3 - is it 8mm? Here's a great video from Filament Friday on the application of the Magic Number for determining the layer height in the Slicer settings. He has loads of other great tutorials too.
  19. 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 ...
  20. Please help me How to error There is a problem with theactive level sensor solved?
  21. Hello everyone, I wanted to update the 3D printer. But I mistakenly chose the firmware files from S5 on the USB and the lights were turned off during the update (now it shows the logo all the time and the encoder is green.
  22. Hello To my undestanding the Ultimaker is open source so i hope it is ok i ask this. I am trying to figure out how the interface to the print cores is done. I need to figure this out since i need to test a crazy idea i have. This idea includes having to control the temperature of the hotend. I have bought a spare BB 0.4 mm print core i need to control from a arduino or raspberry pi. I found the schematics for the print head here: https://github.com/Ultimaker/Ultimaker3/tree/master/PCB files I am not sure but if i am correct the answer is hidden somewhere here: https://github.com/Ultimaker/Ultimaker3/blob/master/PCB files/2118-G Cartridge PCB/Project Outputs for Cartridge PCB/Schematic Prints.PDF and here: https://github.com/Ultimaker/Ultimaker3/blob/master/PCB files/2012-K Print head PCB/Schematic and layout pdf/Schematic Prints_printhead_2012-K_01.PDF From the latter it looks like it is a standard i2c interface. I am looking at the top right corner where it says hotend 2. From the first - which i assume is the diagram for the print core - i guess the TP1 to TP4 correstponds to the P1 to P4 below in the diagram. 1) is the connection to the temperature sensor i assume 2) is a connection to ground 3) is the positive connection to the heat sensor and the positive connection to the heater 4) is the ??? This doesn't make sence. Is there two heaters or ??? is it possible to have the sda and scl on the same wire (3)? Can you help me?
  23. In the last months I tried several storage solutions for my the print cores, but either they didn't fit or it was not practical. Most storage solutions have the problem, that they are open and dust can easily get into the core which is not good at all. Some days ago I had an idea, to put my print cores in an Ikea Skadis container mounted on my pegboard. Inside this container, I designed a print core holder which is based on @ultiarjan version and holds 3 cores per container. Here are some pictures: The cores are now stored in a safe place, protected from dust and can be easily accessed. Ikea Skadis container: https://www.ikea.com/at/de/p/skadis-behaelter-mit-deckel-weiss-80335909/ @ultiarjan print core holder: https://www.youmagine.com/designs/core-case-for-ultimaker3-core-s And finally, the redesigned version which fits into the Skadis container: Skadis Print Core.stl
  24. Hi, is there any way to connect OctoPrint to an UltiMaker 3? For some reason, it was decided to not include a USB b-type connector on the back - only the female on the front. I bought a male-to-male cable, hoping that could work, but no joy. I'm no coder, so there's now way I'd be savvy enough to run code or other such workaround - I'm looking for a plug-&-play solution. I've the Pi all set up with OctoPrint and I can see the webcam monitor from the network. I haven't gotten to the point of getting the DNS sync'd my IP address, as I was attempting to get the printer connected first. Thanks a mill.
  25. FrankS

    Einstellungen ABS-Filament?

    Hallo zusammen, gibt es jemanden, der regelmäßig saubere Drucker per ABS herstellen kann? Generell geht es mir nur um die letzte Schicht. Diese bekomme ich einfach nicht glatt und somit ästhetisch schön hin. Mit PLA und den Standard-Einstellungen von Cura sowie der Option "Glätten" bekomme ich eine saubere Oberfläche. Bei ABS funktioniert das einfach nicht. Glätten verschlimmert es noch. Für mich sieht es so aus, als ob die Düse an der Oberfläche kratzt. Ändere ich die Einstellungen des Lüfters (0% - 50% - 100%), so wird dieser Effekt verstärkt oder abgeschwächt. Beste Ergebnisse (aber immer noch schlecht bei 40% Lüfter). Der UM3 steht abgeschottet in seiner Vitrine. Die Nivellierung des Druckbetts habe ich sauber durchgeführt. Änderungen an den Temperatur-Einstellungen wurden noch nicht durchgeführt. Die Fehler sind übrigens immer an der gleichen Stelle. Könnt Ihr mir Einstellungen empfehlen? Grüße, Frank

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