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  1. Hey guys, I would like to share a lever action dual extrusion solution I came up with for Ultimaker 2+. The approach is based on the great effort everyone put into Mark2 and Ultimaker 3. The print head holds two hot ends, which are originally to be installed on standard UM2 head for 1.75 filament. The right nozzle move up and down for nozzle swapping. This compact dual print head can achieve single extrusion print area of 220x223x205, and dual extrusion print area of 202x223x200. Video clips: Files and instructions available at: https://github.com/yyh1002/DXU Credits: Lever lifting mechanism is inspired by Ultimaker 3. The firmware is modified based on Mark2 version of Tinkergnome firmware by @tinkergnome. CURA profiles are modified based on the Mark2 profiles by @tinkergnome and @foehnsturm. Used Mark2Tweaks plugin for CURA by Krys Lawrence.
  2. Hey everyone. @Enigma_M4 @fbrc8-erin @3dprintz I've successfully upgraded to S5 feeders on my UM3 with instructions from CarloK. I've put together a detailed write-up for making the upgrades. The doc is still a WIP and I'll be adding more photos, but thought this would be nice if anyone is adventurous. I've been testing it for two weeks a now and so far so good! It gives abrasion resistant feeders and flow sensor. Also the S5 feeder is just way nicer to change filament using the new lever system. The spring lever system of the stock UM3 is so poor in comparison. NOTE: This document is still a WIP. There may be typos or small mistakes. Please do this mod at your own discretion! Its very simple but it does require one small modification to the ultimaker case, so it may void warranty if that matters to you. More photos will be added in the coming days. Also if you spot any errors in the doc let me know. https://docs.google.com/document/d/1xS30mssCCnmrijWDpg-YsJSjPGnsYNUsdmtQHAISqxY/edit?usp=sharing I can also make a new post if everyone feels that this is worthwhile.
  3. ZGE Authors - ZGE Idea and design & development by Charly - @Gudo - Crazy Ideas and ZGE Logo by Sebas - @Neotko General FAQ Can I use other bearings? NO. There's much math and simulations and beta testing on all the parts, if you fell like changing something just to save a buck, then this isn't the extruder for you, sorry! Can I use a shorter square rod? NO. I did bang Gudo with this many times, he is just so patient and explained me over and over how and why it can't. Basically that's the correct size for a umo/um2. Can you use 400 instead of 390mm, yea you can. But 390mm is the perfect length so it doesn't pick an eye while moving or hits you, and also is the length that allows the slider part to have always full contact with the square rod. So, like I said before, file the tip, because metal can hurt. (It never ever happened to me and I do look at the printer like a mad men when printing to debug stuff). Could I move the holder to the other corner? Yes, print it mirroed (that's something I did ask at the beginning, but after using it on the Left side I would not change it, it just make's sense... Hard to explain.. Can I use a cheaper drivegear? NO (well you actually could if you redesign most of the stuff, but if you just want to extrude without quality you can do it by hand ) Can I just print it on ABS or PLA, or China cheap PLA? NO. ABS for example size changes a lot, it can't get as much flex torsion without deforming as platec/greentec. Ofc if you thing you can, just do it, but don't come here asking why it fails Also the material used must be as precise as possible, that something that only good brands give. You wan't to have as many things under- control as possible when printing printing this with a bowden since the tolerances are quite hard. Short answer, we recommend Greentec / Platec for hightemp and strength. - Could I avoid to print the Flexible material parts? Oh yes, I forgot, there are parts that actually need to be printed on flexible materials like ninjaflex, recreus and a semiflex material. WHY? Just because (will explain all this on the video/tutorial). Most of them you can actually print them after installing the system, but also, well you can print them one by one very slow until you get the zge working - Why the motor holder moves a bit when printing? Because the system compensates the extrusion forces to avoid as much motion transmission to the printhead. Also, better the motor holder than the printhead, right? - I have a dual printer, I wan't to use this!? That's actually doable, Gudo even made a design that could work on a UM3. But... More or that someday. Basically we don't want to just make stuff that could work, but stuff that actually put something interesting on the table. There are many factors beyond making the extruder work on a um3 than just making it. Gudo actually I think did cover all of them, but then there's the part of the firmware. The UM3 firmware need's quite a lot knowhow to actually change parameters like Extrusion retraction while changing tools, prime amount, retraction amount, esteps, etc etc etc. So change this parameters on a um3 the user would need to know much knowhow to do stuff on linux without bricking the machine (editing stuff is really easy in the end but is a giant leap for most users). So for now we choose not to, but is there, if UM or maybe a modder makes a easy way to access the Machine Json files and edit them, then we might release it. Just because, it doesn't make sense to release stuff just for releasing stuff. Also, there's a big problemo for flexibles on um3, and that's the gap of air on top of the cores while they rest on the printhead.. So, could it work? Sure, but would it work everytime? That's the question... So, short answer, not yet. More FAQ And important points about ZGE Why we made it Gudo and Neotko are moving forward this extruder because we are always pursuing quality, speed and precision. Bowden is a lightweight solution that creates quite a number of handicaps, like for example hysteresis (filament compression due pressure) making it impossible to actually control the extrusion. With ZGE Direct Drive this is now posible, for 1.75mm filaments and 2.85mm, without any compromise on Extrusion horse power. Why don’t we sell it atm Gudo and I (Neotko) have other interest than just selling upgrades. Is a nice idea, but we been crunching numbers and isn’t something we would love to be doing on the short time. I have a business and is starting to work and it demands my full time (except weekends where I try to keep improving every bit of the printer). Also isn’t that easy, to make a comercial version of the ZGE would requiere most probably a mold, and that’s freaking expensive, delivery, stock, gudo making sliders, me printing all the other parts, and that could be a nice dream but we don’t have a 100 printers farm to do it right, and sincerely is great to not need to defend something that you want to 'sell' it keeps the mind objective and fresh to new ideas. So we have choose the YDIY (You Do It Yourself) path. I will make videos of how to print and assemble the key parts that requiere extreme love and care to do them right. Gudo I think can provide for some individuals the key parts, but don’t overwhelm him, if you don’t get one, you need to DIY. The good It freaking works, it extrudes beautifully, it keeps working and working and delivering repetition and amazing precision even with flexibles. Bondtech dualdrive has a lot on that, it could be done with a lesser quality extruder gear, but it would give troubles, bondtech does work and work and work. It grinds a bit, NO, it pushes the filament over and over (and we get Zero commission from bondtech on this!). The system moves a 390mm square shaft of 4mm square. This was the first challenge. I have been testing a 3x3 thinner rod and it works beautifully, but it will only be of use for 1.75mm guys. 1.75mm requieres less heat to extrude, less pressure, but also it has a drawback, it need’s more rotation on the drive gear, this means more stuff moving. That’s why a 3x3mm is better, because it delivers less noise to the weak um head (more on that latter) 2.85mm requieres more heat to extrude, more pressure but also has the advantage of less rotation on the drivegear, this means less noise translated to the printhead, but more force. So for this the best is a 4x4 square shaft. The Bad The punny UM2 hotend. We are using a hotend designed specifically for bowden, and bowden has one advantage, remove pressure and movement on the printhead, that’s why any single force done on the printhead (even a wooble bowden shacking) can add noise to the prints. And for the ZGE this means that every rotation on the drivegear can, since the head has very easy to bend and flexible shafts, translate tinny bits on Z noise. Does this Z noise is perceptible? Well, is hard to see, but is there, most users that don’t have a perfect Z might not notice this, but since I’m a crazy guy I did noticed it. The first version was much more dependent of a perfect square shaft. Gudo made an amazing improvement to this problem developing a printable UJoint system that allows to remove the imperfections of a inexpensive rod (more on this later). And just yesterday, I got an idea (star medal for me on this since I’m really proud) we changed a part to be printed on flexible material removing almost 50% of the noise and making the prints look even better. So... Does it print better than a Bowden? It freaking does. Does it has a bit more of noise on Z? Yes it does, sorry, that’s how things are. UM2 head, even the 8mm shafts can ‘bend’ and they keep wobbling making them very susceptible to Pressure from the drive-gears to the head. Every retract/extrude is a sudden move, that translates this sudden moves to the printhead. But with this last update the problem is hard to see, and most of normal users won’t ever see it. The Ugly To print a ZGE you need aprox 5h for the most delicate parts (slider+driveshaft) and they will need some post-processing. Add one hour of assembly for this part, that must be done with love and not by brute force. Also you do need a hightemperature material, like greentec, platec. Just because this part get’s heat from the bed, so if you print at 60, the air will get there to 35C, and that + extrusion forces = bends. The Extruder head also should be greentec, platec. Is a very amazing material (we also get zero commission on this), but need’s hairspray on the bed and brims, and cleaning. I made a good article about how to add custom brims to the support, read it, read it again, and use it. You need all the parts to be printed perfect. More than 50mm/s can ruin the print and will add time to manual cleaning, that is less reliable than a 3dprinter. You will need to calibrate your printer to the 0.02-0.03 closeness to the measures we will show as base. Just like Gudo and I did, we used one of the parts, print it and with a digital caliper of at least 2 decimal points, I did print the object 3 times, with different Horizontal Expansion values of -0.02 -0.03 -0.05. For me the winner was the 0.02. So as you can guess, the difference from printing it right or wrong is very very small. You need to keep that in mind for the main part of the ZGE, since is the most delicate part. First time I print one I did it horrible, and after printing 20-23 I thing I have enough practice to make a perfect ZGE slider+shaft. The rest of the parts, need screws, nothing hard to find. There are two types of heads, one is more compact but need’s some special small 4mm mini shafts. The other, is more complex to assemble and is based on my Neotko-FatIRobertI extruder. Gudo also added a tension selector (very cool) to have 3 basic positions easy interchangeable. But is much complex to print. Also is taller... That... Well, shorter means less vibrations, taller more vibrations... Yea there are many many factors that we have take into account before posting this. We still need to talk Gudo and I of what basic version we release. Most probably the slider, they key part, won’t have a step file release, but the others might, or not. The important is that all the parts will be easy to print, except the slider (the slider, as I said over and over here must be printed with love and finished more or less by hand). The Main key parts you will need to get to DIY. First of all, the square rod of 390mm, there are shops on ebay that cut on demand, but try to be ware that the tip you need to soft it (file it) for safety! You don’t want to loose an eye because you didn’t hear us out right? For precision square shafts (they call them Key Steel or Parallel Key) the max length we where able to find is 350mm (on misumi) so that means that it would not work. It need’s to be a minimum of 390mm. Gudo might be able to provide this to some users, but again, ask once, if he doesn’t answer he is busy doing something more interesting, don’t hammer it. And you will need to pay for it, you know, square shafts don’t grow on trees. A shorter smaller screw. You know the four screws that hold your hotend? Well, one must be shorter, like 4mm taller, you can ‘sew’ it yourself indeed. Again, not easy to find. Gudo is amazing and he made me a few with the first kits he made for me. I have a shop, I want to sell it! Contact Gudo for this, you two might get along and do some business. I personally would love to see this extruder on every printer out there. But mind one thing, no shortcuts, no china quality. If you thing you are decent, come talk with Gudo. I want it for my printer! Our dream is to have this on as many printers as possible, a Bowden-free world. If you are a 3d printer maker contact us and we will study making a version of our ZGE for your machine. But remember this is Open Source, so we will focus on Open Source machines like UM, BCN, and probably others. If we don’t support your printer, give us time, we are just two guys that love 3d printing and making our printers as precise as possible. Contact your printer company, if they give us access to your files we might do it! And ofc if you have a Solid Robust No Woobly printer, we are interested But ofc, Maybe Gudo just make's a better printer out of this UM.... But that's a history for other day List of things to do: - An assembly manual. Atm users that found IRobertI Feeder hard to assemble, should stay away from this, since this is probably 10x times harder and requieres much finesse to assemble and to print it. (sorry is just how it is) - Video of the ZGE SliderUjoint system. I need time to do it, but is on my todobedobedo list. Important before Downloading it - The zip has STEP and STL files - The STL files have TEXT that indicates the level of quality to print it, DO READ IT. Quality Levels are MIDQ - Medium Quality 50mm/s tops and 0.2mm layer is ok HIQ - High Quality 40-50mm/s is ok but no more than 0.1-0.15mm layer height HIQSLOW - Keycomponent 30-40mm/s max and 0.1-0.12mm layer height TEMP - Version printable in PLA or any material at hand that will need to be replaced with a FLEX later FLEX - Flexible material part. Print it after having the ZGE working (since is much easier). Recommeded Flexible material like NinjaFlex or Filaflex. Basically Very flexible. Did you read everything?, are you sure? Ok, you can download Zero Gravity Extruder at Youmagine by Gudo & Neotko Much still to write about how to print this, assemble and use it correctly. For now Check this OLD VIDEOS (REMEMBER THEY ARE OLD and they show OLD version assembly, but should give some hits to the pro users) Example of BAD SliderUjoint print Old post with a few print test videos and etc etc https://ultimaker.com/en/community/35608-zero-gravity-direct-drive-extruder
  4. Best to start with - I am not a programmer. Am wondering if it is possible in a future upgrade or as a Plugin, have a method to overlay a graphic or photo of our print bed so we can identify areas of our print bed that have damage. My print bed has a few damaged spots - PEI film has broken off or there are large air bubbles under the PEI film that cause local extrusion fails but the rest of the bed is usable. Most of my prints can fit on the print bed with proper placement and I want to avoid those bad spots. If there is an easier way to identify them automatically on the print bed, would make object placement easier. I know that there is a grid that I can count squares but that gets tedious and cross eyed. I replaced the bed recently, printed with TPU and forgot to put down glue stick so I have a small broken area. Anyone wanting to tackle this and make a plugin or consider for an upgrade? Thank you
  5. Hello there, There were topics about the 0.6 print core CC and a lot of talk about how to use it with U3 (incompatible feeder). BUT, everybody just repeating the feeder issue and seems nobody tried it, at least I don't find any conversation about it. So I have an U3E, I replaced the feeders to Bondtech, which works fine. Now I have a CC print core, trying to play with the XSTRAND PA6 material. I have made the necessary modifications in the code for the Bondtech feeders, according to this: https://support.bondtech.se/Guide/01.+DDG+For+Ultimaker+2++and+3/16?lang=en And it works juts fine with normal materials and print cores. I installed the CC core and modified the gcode for the it, according to this: http://gr5.org/cores/ The printer recognize the core, however before the actual printing starts, the printer shows a message that I have to override the setting, so it used as a 0.4 core. There is no option here, only click OK. I guess it is coming from Cura, because that does not recognize 0.6 CC core, so I have to set 0.4 print core. I made a custom profile for the CC core, with 'line width' 0.58mm and so on... (copied from the S3 settings for the 0.6 CC core) So I load the XSTRAND material press "OK" for all error messages. The print starts, the material is amazing, beautiful, the print goes well, until the core has to move to an "island" location. The oozing starts like hell. I have the same result as this guy (with Ultimaker 5S): Settings for the XSTRAND PA6 material (as suggested by the material manufacture in the post above): Retract 12 MM at a sped of 40 mm/s first layer height of 0.12 mm for 0.1 mm layers Adhesion solution: Glue Stick printing speed: 40 mm/s Print temp: 240°C Regular Fan Speed: 50% Build Plate Temp: 60°C Infill Speed: 50 mm/s Initial Layer speed 20 mm/s Minimum Speed 5 mm/s Minimum Layer Time: 3 s Build Plate Adhesion: skirt So here my first print: Anybody used CC print core with U3/E? Any experience? Any suggestions?
  6. I never thought i would be saying this but im having underextusion issues on my um2 with a bondtech qr extruder. I think its a problem with the firmware though. I prefer tinker firmware so i am using that instead of the bondtech firmware. I think its a problem with the esteps value. Ive tried "printing" a gcode file with the Esteps command and also pronterface but both don't seem to work. Is there a way to directly check if the esteps value was uploaded and saved? Or is there way i can modify tinker firmware and change the esteps value and the loading speed? Or am i doing something completely wrong? Esteps value:492.45 loading and unloading speed 50mm/s
  7. I was looking into a way to occasionally print Ninjaflex or other real flexible materials (85A) There's no way you'll be doing that reliable with a bowden setup (ok, I've seen people using oil in the bowden but nahhh), so I compared a quick and dirty direct drive conversion on an Ultimaker2 head (tested on my DIY GO) and on the ultimaker S5 **** first a warning, Ultimaker does NOT want you to open the S5, it contains an open style high voltage power supply, so it's DANGEROUS!!!, also the electronics can be damaged and I'm pretty sure you loose your warranty. **** I used two materials for testing, Extrudr TPU Soft and Ninjaflex, both 85A. I used the regular feeder from the UM2+ , combined with a pancake stepper motor (LDO-42STH25-1404MAC#190920) this stepper is less than half the weight of the normal stepper. I had to cut some length of the shaft to make it fit. The stepper has a different # steps per rotation and as it's impossible to change the steps setting for the S5 on one feeder it needs compensation in flow (200% flow = 100%) Obviously the result is a crazy top heavy setup, but if you just want to print an occasional gasket it should be fine, specially since you need to print materials this flexible very slow (15 mm/s) anyhow. On an Ultimaker2 the extra weight is enormous, on the S5 not so much as it's very heavy already anyhow. The nice thing is you can see into the feeder so during testing it's easy to spot when the feeder can't cope if you try to speed it up to much. If something goes wrong it's mainly during the first few layers, so watch them... otherwise you'll spend a few minutes again taking the feeder apart... To validate the basic setup I printed regular PLA on both converted machines, to make sure the setup (including changed steps/flow due to different motor) was correct. On the UM2 head the ninjaflex was pretty easy to get working, i managed to print with constant and reliable extrusion using a 0.4 nozzle. The materials prints best around (I tested with 0.15 layers) Flow : 110-115 % (with feeder tension set to lowest point) Temperature : 210 c Speed : 15 to 20 mm/s The easiest way to test temperature and flow is by printing simple cilinders, foir the S5 you can use the "tune" menu to play with values on the fly. Getting ninjaflex to work on the S5 proved to be more difficult than on the UM2, at the same settings using an 0.4 mm nozzle prints failed all the time, it seems the CORE, is much more of a challenge that a UM2 setup. I blame the longer filament path, and the metal tube of the core. Only when I changed to the 0.8 nozzle and the CC0.6 I was able to get reliable results. My main S5 tests are with the CC0.6, atm my best results are with the following settings; The S5 levels pretty close to the bed, making every print fail at normal flow rates. Layer height 0,15 Initial layer height 0,25 Top/bottom pattern & Innitial layer pattern ; concentric (avoid lot's of small lines, head vibration) Innitial printing temperature/ innitial layer : 230c Printing teperature : 215c Skirt/Brim flow 140% (= realy 70%, due to the different stepper motor) Innitial layer flow 150% (= realy 75%, due to the different stepper motor) Flow 225% (= 2x the real flow, due to the different stepper motor) Print speed 15 mm/s Innitial layer speed, Skirt/Brim speed 10mm/s Cooling at 100%, start with 20% and let it rise over 10 layers) Turn off the flow sensor (in the settings menu) on the S5, as you're not using that feeder.. Conclusion, even if you eliminate the bowden, printing 85A flex on an Ultimaker S5 is still a bit of a challenge. The used feeder (UM2+UM3 model) and filament path are not ideal. But, usually if you make it past the first few layers, and have relatively simple prints that keep the flow going it's very well possible to print ninjaflex on the S5. I have not experimented a lot with it jet, but I also managed a simple test print using PLA for support on the 2th extruder. the hardware hack; The feeder plate mounts to 3 screws of the head, so you can leave one and the head will stay assembled during mounting. I made a little breakout plug for the left stepper motor on the back of the printer, so I can change between direct and bowden in just a few minutes. I just leave the black mounting plate on the head. In needed to make a hole in the bottom plate for the DIY extension cable. I isolated the plug with hot glue. some side notes; Cura can sometimes create fantastic vibrator g-codes, not nice with this heavy setup, so one thing you can do to prevent this is to change line fill to cylindrical fill, and check the layer preview. ninjaflex openRC wheel, printed on S5 extrudr TPU soft (85A just like ninjaflex) gasket, printed on S5 S5 stl's S5_FlexDirect.zip
  8. 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 ...
  9. I'm running Marlin 1.1.8 on my UMO with its original 1.5.7 electronics and an Ulticontroller. I've been building a new version of Marlin 1.1.8 for my Bltouch sensor, which I'm about to hook-up and start testing. The Marlin source code says: // Enable this feature if all enabled endstop pins are interrupt-capable. // This will remove the need to poll the interrupt pins, saving many CPU cycles. //#define ENDSTOP_INTERRUPTS_FEATURE and the Antclabs Bltouch instructions say this feature is optional. Does the 1.5.7 board have at least three interrupt-capable inputs? I only need three inputs because the Bltouch will use one input and provide a Z homing signal so that means I need only two more endstop interrupts for X and Y. Software limits works fine so I don't need MAX_PIN inputs as defined in the pins.ULTIMAKER.h file defaults here: // Limit Switches // #define X_MIN_PIN 22 #define X_MAX_PIN 24 #define Y_MIN_PIN 26 #define Y_MAX_PIN 28 #define Z_MIN_PIN 30 #define Z_MAX_PIN 32 Even though it would be inconvenient to adapt the endstop switch connectors, they could perhaps be connected to pins 11, 12, 13 or maybe even pins 34 and 36, which are labeled "SERVOS" on the PCB silkscreen. I plan to connect my Bltouch control (servo) pin to pin 13 and it seems that pins 11, 12, and 13 are usually used for such things. Also from pins.ULTIMAKER.h: // // Servos // #define SERVO0_PIN 13 // untested Does anyone here have experience with this? Did using interrupts work well (better than the default CPU polling)? Once I get it up and running and tested, I'll fork the Marlin 1.1.8 source (or maybe I'll spin-up 1.1.9, which is the last 1.x.x Marlin, except for bug fixes) to my github account so others can give it a whirl. BTW, this Bltouch V.2 mount looks pretty good to me. There's not all that much info on the Internet about this UMO mod or endstop interrupts. Bltouch Mount Same as above but with Google Translate to English Thanks!
  10. Mark2 is an asymmetrical multi-extrusion upgrade for the Ultimaker 2, based on Foehnsturm's magnetic tool changer. It offers some unique features compared to conventional approaches. Keep it smart and simple The Mark2 upgrade doesn't require to modify or even disassemble the well-working single extrusion setup. Instead it adds a detachable second extruder. This leaves you with several benefits. Powerful - print quality on par with eg. the UM3 or BCN3D Sigma Flexible - use whatever you want: Olsson ruby, 3Dsolex block / nozzles, ... Cost-efficient - all you need is a second drive train, some magnets and screws Simple - all tried-and tested standard components Smart - Z-offset managed by firmware, calibration wizards Open & scalable - a non-extrusion tool head, a 3rd extruder ... all possible Mark2 is an Ultimaker community project, we don't offer a complete kit but we can help you out with a package, including all the parts you need, besides the second drive train. See it live Probably the best way to get an impression of the usability and print quality is to watch a few videos. https://www.youtube.com/watch?v=PLeNzDYMnqAqIeZHWU9iOWnj_2OaemupQG Full Cura 2.5 integration Mark2 comes with a set of Cura definition files and can be added as a pre-configured printer. Tried and tested Mark2 setups have been printing for more than 5.000 hrs now, which equals more than 500.000 tool changes. Beta-testers and co-developers include well-known guys here like Tinkergnome, Ultiarjan and many more. The Mark2 website ultimaker-mark2.com is the place where you find all the information you need for doing this upgrade. ... and The Mark2 Dual Extrusion Project Contest is still running.
  11. Hey guys, I am still rocking an original Ultimaker, heavily upgraded at this point. It is such a solid platform, mechanically, my only wants at this point could be served by a new controller / control board. Current build specs: Official heated bed Upgraded stepper motors, direct driven on X&Y, GT2 belts / pulleys Custom print head with E3D V6 Custom extruder drive with geared stepper Reprapdiscount full graphic smart controller Here is what I want: Quieter operation More integrated fan control options More accurate / smooth stepper motion Network connectivity More processor overhead. 8-bit is pretty lean once you start adding features. Touchscreen support would be nice Some of these items I could get with incremental upgrades (stepper drivers, Octoprint / rPi, etc). But I think buy-once-cry-once on a new controller would put me in a better place. Now that Marlin 2.0 is stable and supports 32-bit controllers, that is an option. I already have it running 2.0.3 at the moment and am familiar with Marlin. That said, some of the "nice" features in Marlin just don't work well for me yet, like [linear advance 1.5]. For K values that make the K-factor test print look perfect on my bowden setup (K=1.8), normal prints don't work at all. The linear advance extruder motions are incredibly chaotic. Even during print segments that effectively have a constant print head speed, L.A. is freaking out, apparently because of the direction change between straight line segments. Not so useful. Since the 32-bit controller support is still pretty sparse, taking Marlin out as a requirement opens more options. The Duet 2 Wifi looks like a good option. People generally seem to like it. The configuration looks very easy, and it appears to tick all my boxes. My only concerns so far, are whether the motion control will be a step forward from Marlin, ideally providing some functional extruder advance to improve bowden flow control. Also, it's a bit unclear whether it supports the Reprapdiscount Full Graphic Smart Controller. I'd prefer to get everything up and running with that existing controller, and I don't want a web-only interface. Some posts show that they had very little interest in developing firmware support, even though the connections are present. But, some more recent posts seem to show the controller working on a Maestro. If anyone has some insights on this, I would definitely appreciate it!
  12. I am looking to print ABS w my S3. I also have a UM 2+ that has a top cover that has been working very well when printing ABS. I would like one for my S3. UM2 + Extended Frame Top Cover I have found only two covers: FBRC8 ULTIMAKER S3 SAFETY ENCLOSURE KIT 3D JAKE Cover + Door incl. HEPA Filter for the Ultimaker 3 Experiences, suggestions, thoughts? Thanks
  13. I recently purchased an Ultimaker S3 and so far have been blown away with the quality of the prints. Thus far I have only used the provided glass heating bed for all my prints and as a result my bottom layer is always very shiny and smooth. I am now trying to get a more matte and textured look on my first layer. I was wondering if anyone had any suggestions or 3rd party heat beds that I can use to get this effect. I was told that by putting some blue painters tape on the heat bed I could possibly get this to work. Any suggestions would be greatly appreciated!
  14. Hi all, I need some help with a UM2E+ with Tinkerware and Bondetch DDG for Octoprint. What settings go into the individual bounding box ? Or does anyone have a working profile for the Ultimaker ? The Problem is : The Problem exists at the start and that is : All axes move up X Y moves to the front left Z axis moves to the top Material is extruded but exactly on the clamp at the front and not on the bed. Now the actual printing starts. Whats the Problem? THX for Help! stay healthy !
  15. Here are a few of the projects I've worked on using the Ultimaker 2+ There are 3 select fire blasters, and the pump blaster is a pistol grip conversion. The OLED mount with rail on the back are printed The battery cover in the front grip is a printed part along with some internal pieces Stock extension and top rail are printed Masterkey is printed Stock extension and handle fill with knobs are printed Pump grip and main grip along with trigger are printed
  16. I recently built a new printer and hate the idea of my old UMO+ just sitting around or turning to waste. Is it possible to repurpose the ATMEGA 2560 based controller for something like a low powered laser cutter? Will the firmware for an ATMEGA 2560+ RAMPS 1.4 also work for the UMO+ controller?
  17. Hi, I am wondering if there is a workaround that you have already done that allows me to upgrade my existing printbed that is reaching now max 98c. Right now I am experiencing too much fails with PC and ABS and I am 100% sure that part of the problem is the printbedtemp. Prints are comming out great until the print jumps a ceratain hight the warping starts and after 1 cm it becomes hilarious. So I have to get a workaround if I ever want to use theese materials in a good way. So I am looking for a replacement of the existing printbedheater and or maybe to adapt an S3 printbed which would be already somewhat better with 130c° max heat Any idea that is feasible would be appreciated.. Greetings and stay save! Daniel
  18. Hallo, ich hätte mal eine etwas verückte aber dennoch interesante Frage, Drucker S5 ich habe einen alten 0,25Core, so meine Idee wäre daraus eine sag ich mal 2mm Düse zu machen. in Cura würde ich alles auf die 2mm Düsenbreite eingeben und auch die schichtdicke und alles so anpassen, das es eben auf die größe passt. Das würde ja Theoretisch gehen oder? Praxis ist dann wieder etwas anderes. 😄 Hat sowas schon mal jemand gemacht
  19. Hello everyone, I have recently started to use Octoprint on my ultimaker 2+ and I really love it. I have also like a lot the timelapse that is possible to create with the Octolapse plugin specially yhe famous one without head movement! Unfortunately I haven't found anyone sharing setting for the Ultimaker 2+ (open firmware) I was wondering if anyone had experience yet! Many thanks in advance! Emaunuele
  20. Hallo, Habe vor kurzem dem den ganzen Druckkopf ersetzz. Jetzt zeig er mir diese Nachricht an. Kern 1: Solex Hardcore 0.4 Kern 2: Solex Hardcore 0.4 Danke schon mal
  21. So I'm looking into getting the mmu for my printer, so I decided to go ahead and get the profile set up. Here's where my problem starts. So basically I just copied the original profile in the definitions folder, but I just added extruders, that is literally the only different I made, besides just a few name changes( i tried it with the original stuff and it didn't work either). Keep in mind I already set up more extruder profiles. Whenever I try to boot up cura it'll say that the files are corrupt. I've gone through multiple forums and cant find anything. Here are the files, is there anything I can do? Prusa MMU Profiles.zip
  22. Hello together, after building a custom custom frame for an UM2 Link and make several test's with dual printing system's, I decided to make a test with an Cyclops extruder clone. At first I started with the firmware because i will use only 1 heater and only an resistor from the tempsensor of the second unused heater. What's done for the moment? - Printing: GCODE hotend changed with M104 and M109 changes every time the temperature of the hotend 0 independently of the temperature is set for E0 or E1. In the picture you can see that heater 1 is heating und steps of heater 2 changes - Cleaning print menu Temperatur 2 is removed but material flow 1 and 2 are still available - Material change for second nozzle changed, now it heat's hotend 1 with the temperature of the material 2 - Changing the function of advanced maintence At first step i changed the function of heatup of the second nozzle. Changing this temp changes the temp of the first heater. - Changing the function move material 2 in advanced maintence If it's selected it changes the temp of hotend 1 with the temp of material 2 and when the temp ist arrived I can move the material 2 (E2) - Build a Cura 3.3.1 printer configuration (I modified the config of Link) What are the next steps? - Finishing the cleaning of advanced maintence (remove heatup secondary nozzle, it's a little big trickier as I thought) - Check if it's possible to deactivate the error for the missing Tempsensor, if not a potentiometer should work great ? - Build and mod the printer, make test's and show the finished build here (parts are ordered and I'm waiting) ? - Show the prints here and on my homepage - Make a documentation of the build (mod), will publish the documentation here @ SeoGeo_de - Publish the Marlin code on Github Needed parts: - Change filament size to 1.75 mm - 2 new extruder requiered with 1.75 mm support - 1 new Steppermotor for E2 - Cyclops V2 printhead and a few small parts At last known issues / specification - GCODE has to be Marlincode, with Ultimaker code it don't work (for me no problem because I use octoprint) - I can't check in Marlin if the GCODE sent temp is the print temp or the standby temp, so I have to set for the standbytemp the printing temp of the other material. Example: Extruder 1 PLA Extruder 2 ABS Print temp 200°C 240°C Standbay temp 240°C 200°C If somebody know how I can detect if the send temp is printtemp or standbytemp, this step can be ignored - Change the filament size to 1.75 mm (I didn't found an Cyclops with 2.85 mm) If somebody have questions or can help me with my issues, please answer here or write me a pm. Sorry for my english I hope all can understand what i have wrote. Bye Daniel
  23. I have a ultimaker from before 2017 meaning that i have 5 motor drivers. I have the mark 2 kit installed meaning that i have used all 5 motor drivers. If I wanted to add another motor for another extruder, how would i go about that? Thanks
  24. Is there a benefit to printing more abrasive materials than the standard materials? What extruders do people like? I see lots of discussions on Bondtech. I am a bit concerned that printing will be more complicated with the necessary speed changes in my printer. Is there any benefit to using a CC ruby printcore?
  25. Can anyone with experience in using octoprint on the UM2 lead me to a good source for a tutorial on how to install octoprint? Many resources out there are kinda old. Any help is appreciated. Also If you have installed octoprint, could you tell me what hardware you needed(especially the wifi dongle). I have a raspberry pi 4b 4gb ram model. Thanks!
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