Ender 3 stringing and blobs. The filament might have gathered moisture, which will cause a lot of stringing. Every 3D slicing software has retraction settings, and we’ll go over them to help you get to a “no stringing” zone with all of your Ender 3 prints, Ender 3 Pro prints, or Ender 3 V2 prints. The good news is that stringing is usually very easy to fix. Hello, I am new the the 3D printing world, having just received an Ender 3 v2 a few days ago. My Ender 3 makes lovely prints when it wishes, but more often than not, I run into this same issue. gcode file that was sent in-box from the manufacturer. Jan 12, 2024 · Learn how to avoid 3D printer stringing with these easy tips and tricks. Learn the best Ender 3 retraction settings! I had some minoir issues on my print (including some blobs) The first step is to do a full maintenance on your printer (in order) : -Clean it (everything, don't forget fans) -Upgrade your firmware (even if you have a recent one) -Check belts tensions (not too tight or loose) Feb 20, 2024 · Ender 3 retraction settings: The article explains how to tune the retraction settings for the Ender 3 range of 3D printers to stop stringing, which is a common issue that causes wispy strands of filament on the print surface. However, it is incumbent to understand the issue of stringing 3D printing before you can try to resolve it. I say sometime because I did Having said all that, I still get stringing with PETG even on the best of days (although not blobbing), so I just deal with it through post-processing. Dec 20, 2022 · I am reaching the end of my patience with my two ender 3 printers, hopefully some of you can help me diagnose it. A lighter or a heatgun is the way to go for stringing, but do it outside and make sure you wear a respirator of some kind so you don't inhale any decomposition products. But now there are white patches as shown in the image. The Alfawise showed strange blobs on parts, even printed in vase Welcome to the Ender 3 community, a specialized subreddit for all users of the Ender 3 3D printer. Stringing in the nozzle might be caused by a heat dissipation issue in the nozzle. I keep getting blobs/zits on the prints that I've been doing, and I'm not sure how to stop them. Enable Retraction Settings I keep getting this fuzz/stringing and these random blobs around my prints, which also cause functional pieces not to fit together and smaller more detailed areas so gather ugly blobs of filament and stringing. Oct 26, 2023 · PETG Stringing on the Ender 3 Pro. 12mm layer hight 50mm/s print speed. Ended up stopping the print because of heavy amounts of blobs and stringing, which usually doesn’t happen. New here as just started out with 3D I'm printing with PETG on my Klipper Ender3V2 with drivinator (direct dual gear extruded made from bowden one), but I'm experiencing massive stringing, but the main issue seems the blobs that are everywhere in the print. And check if you see more stringing with 40% or 80% cooling. 2 but to no avail. Most pla prints well at 200-205. 4mm Retraction speed: 35mm/s Fan speed: 100% Oct 9, 2023 · Stringing on parts coming from an Ender 3 can be a really annoying defect. Knowing what causes stringing and how to fix it is critical for anyone involved in 3D printing. Zhop causes stringing. The first stop to eliminate stringing is through a proper retraction setting. But not sure what I should be trying next as my last few test prints haven't shown much difference after changing the retraction settings etc. How to Prevent PETG Stringing. Aug 12, 2019 · 4. Even though the issues of PETG blobs and PETG stringing look different from the outside, they are caused by the shared problem of over-extrusion. 5mm. Mid-print, the extruder will print little stringy blobs, then nothing at all and prints in air. ran the auto z offset and auto bed leveling and still had a crazy amount of stringing and blobs. ” Jan 18, 2020 · I'm currently testing the Alfawise U30 Pro and the Ender 3 Pro in a side-by-side comparison. Tried calibration steps/tutorial, many attempts later my Retraction Test still have some (and some times a lot of) strings. Stringing and oozing are often related, but they are two different issues. If the retraction speed is 45mm/s, increase it by about 20% (54mm/s) and observe the model closely as it’s being printed. Dec 14, 2021 · Stringing is a very common issue in 3D printing and it can make your 3D prints look really messy. The best way to solve the stringing problem is retraction. 230°C and up would create strings and blobs on the top layers or my models, in fact, you can see it here in the stringing tests I ran (I printed over 10 stringing tests using two different filaments until I got it right):. 5mm and retraction speed is 65mm/s. In general you can print a retraction or temperature tower 2-3 times. If you’re working with an Ender 3 Pro, try these settings to fix PETG stringing: Bed temperature: 85 °C; Nozzle temperature: 220 – 240 °C. Printing with PLA, retraction amount is 7. Whether you're looking for guides on calibration, advice on modding, or simply want to share your latest 3D prints on the Ender 3, this subreddit is your go-to hub for support and inspiration. My settings are: Temp: 230c Bed: 60c Retraction length: 0. File to download: https://ww Nov 7, 2023 · A temperature tower test can be invaluable here, helping you pinpoint the temperature at which your filament prints smoothly with minimal stringing. I did some googling and found suggestions indicating it may be a retraction issue. In order to fix stringing, it’s useful to understand why it happens in the first place. I have an Ender 3 v2 neo, printing with PLA. May 4, 2022 · I'm using a Creality Ender 3 with out-of-the-box equipment and slicing with the most recent Creality Print version. PETG Stringing PETG stringing is a phenomenon that happens when filament oozing from the nozzle sticks to an already printed part and travels between two parts, creating annoying “hairs. You can turn it off and see if it helps. I guess it's personal preference, but IMO thin strings are easier to get off of the printer than big blobs. After trying out multiple different printing temperatures on over 20 different prints, I found that in my case, 220°C delivered the best results. Hello u/Nose_Fetish, . I tried a suggestion: change resolution in mesh fixes of Cura to 0. Filament Humidity solution 4. PETG prints between 220°C and 250°C, but a temperature above 245 °C might cause nozzle damage. Cura's default is 6. Here are some tried and true methods to prevent PETG stringing. The settings were 215c 50c 0. Mar 17, 2024 · This will not only help with PETG stringing and blobs, but it can also give you cleaner first layers and better overall layer adhesion. Aug 8, 2020 · The ‘Outer Wall Wipe Distance’ is another key setting here, which I’ve set to 0. Yo can go as low as 0% cooling, thus you will get best layer adhesion and least amount of stringing but you will have problems with overhangs and how precise you get the shapes like holes and fine details in your Welcome to the Ender 3 community, a specialized subreddit for all users of the Ender 3 3D printer. Let’s take a look at how to fix your 3D print stringing issues. The second is to disable z hop. I was using Cura with my Ender 3 S1 Pro for the last 10 months, my prints were getting good, no more stringing, and so on. The photos are of a failed print at a couple angles, as well as what the nozzle extrudes when it begins to fail. Filament. Retraction distance: 6 – 6. Cura explicitly mentions that this setting is used to hide the Z-seam better, so I’d definitely test this variable and see how it affects blobs and zits. High temps equal more stringing. Debris and gunk built up on the outside of the nozzle can catch on the melted material during 3D printing and drag it along as it travels. The best Retraction Settings for an Ender 3 is Jan 25, 2024 · There are multiple causes of PETG stringing, including high print temperature, fast print speeds, and incorrect retraction settings. The good news is that you can solve this issue by correctly calibrating your Ender 3’s Retraction settings. I've done two test prints so far, and oddly enough, the blobs occur in the exact same places. 1. Retraction speed should be at least 20mm/s to around 100mm/s. Things I have done to try to fix this: Nov 2, 2022 · 3. Let’s find out the differences. Welcome to the Ender 3 community, a specialized subreddit for all users of the Ender 3 3D printer. Other Tips. Apr 7, 2022 · 3D printing stringing is not the end of the world, even if it starts occurring in your new Ender 3. Awful stringing/blobbing(see attached pictures). Make sure you select the most appropriate flair for your post. Here, enthusiasts, hobbyists, and professionals gather to discuss, troubleshoot, and explore everything related to 3D printing with the Ender 3. PETG Stringing vs. The print that has less stringing has a lot of blobs on the walls of the printer, which is what z hop is supposed to address. The stringing probability is reduced by reducing the printing temperature. The first thing you should try is increasing the retraction amount up to at least 6 mm. Feb 26, 2020 · How to upgrade the hot end to prevent stringing and the dreaded Bowden tube gap against the nozzle on your Creality Ender 3 or 5. When the 3D printer extrudes the PETG filament in areas where it shouldn’t, blobs and stringing occur depending on whether the extruder is moving or not. Share Add a Comment Jun 2, 2021 · I am using an Ender 3 with a Micro Swiss hotend and a 0. Blobs and stringing, also warped bed on ender 3 Ive had the printer close to a year now and almost 1 spool printed, Ive squared the printer as much as possible, changed the coupler for a flexible one and printed a satsana fan duct, but I havent managed to eliminate blobs and stringing. I am new to 3D printing and trying to figure out what changes I need to make to fix the stringing and little blobs on my prints. Retraction Setting. Trouble with first layer Ender 3 v3 SE Cura slicer default settings New to 3D printing, had some solid prints with this thing until one day it started stringing out of nowhere. This is caused by the filaments hanging down from the nozzle as it moves to a new position. PLA Stringing And Blobbing In Ender 3 & Prusa. 5 (from 0. A Subreddit for Ender 3 v2 users to seek help, share their creations and talk. Try using a different spool than the one that is causing the stringing. Was printing a small character and decreased the layer height from . Jan 19, 2023 · Preventing PETG Blobs and PETG Stringing. Apr 22, 2024 · General recommended Ender 3 retraction distance: 5 mm, increasing in increments of 1 mm if stringing occurs. If you can rule out the causes of the stringing problem listed above, you should check the print temperature. 2 to . In most cases, there are many filaments was left on the 3D model after printing that be called as 3D printing stringing. 16 for the first time. Aug 21, 2021 · I'm getting zits or blobs in lithophanes while printing on my Ender 3 and 10S Pro. Step 3: Lower the Print Temperature. When to modify Ender 3 to a direct extrusion system. A retraction distance of 1 to 5 mm should be sufficient. Oozing. I’m using the ender 3 s1 with cura as my slicer. Retraction speed refers to the speed at which the extruder pulls the filament back during the retraction process. The stringing problem often occurs because the print temperature is too high. We'll cover everything from adjusting your retraction settings to performing a 3D print stringing test, to make enjoy string-free 3D printing. Printer: Ender 3 Slicer: Ultimaker Cura Filament: Ender - PLA+ Temps: 210/70°C Printing speed: slow or fast does the same result Nozzle retraction: whatever Cura does when I enable all of the retraction settings Here, enthusiasts, hobbyists, and professionals gather to discuss, troubleshoot, and explore everything related to 3D printing with the Ender 3. What causes blobs and zits: Too much filament being used, incorrect retraction settings, inefficient coasting settings, high pressure or speed, wet or damaged filament, and poor cooling system. Pro tips to fine tune your Creality Ender-3 V3 SE and eliminate stringing! Get your Ender-3 V3 SE here:Amazon Links (As an Amazon Associate I earn from qual I solved the stringing issues plaguing my Ender 3 Prints with a bit of help from the 3D Printing Community. Hi everyone :). Jan 19, 2023 · Mike started his 3D printing journey with the Anet A8 when it first came out back in 2017, and has been obsessed with 3D printers ever since. 05 default). 8 mm nozzle, Polylite PETG filament and a masking tape covered glass bed. IMO the way to address the issue is to alter retraction settings. You can eliminate this problem, once and for all by following these few simple steps. Apr 2, 2021 · What you're seeing does not look like stringing, which I would characterize as material that exited the nozzle after extrusion was supposed to have stopped, usually due to missing or insufficient retraction, but like the extrusions along the concave contours failed to bond to the previous layer and got drawn across to a point on the other side of the contour where some degree of adhesion resumed. So I got an Ender 3 a while ago and I've been having some problems with it for some time. geekydrewbie January 11, 2024, 2:29pm 1. Jun 30, 2023 · The Ender 3 (V2/Pro/S1) printers are great at pushing filament, but stringing can be a problem. Here are the pictures. Retraction speed. 32 mm; Wall line count: 2; Printing temp initial: 255 °C; Printing temp after first layer: 245 °C; Bed temp: 80 °C; 1 brim /r/3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices. I have used Cura for slicing with settings: Layer height: 0. Anyone else encountered this problem? Try decreasing the nozzle temperature by 5 – 10°C and check whether there’s less stringing. Those little wisps of plastic can ruin the print’s surface and increase post-processing time. 04mm on my Ender 3. Jan 11, 2024 · Ender-3 V3 SE - Stringing. and the print quality just overall seems bad. But not on all filament. 5 mm is a low retraction distance. Ender 3 v2 neo with 4mm nozzle. Settings are default (bed: 70 °C and hot end: 200 °C). Flow rate Calibration 5. Decided to try Orca Slicer, now my prints are full of strings and small blobs. Improve your print quality and save time and filament. The biggest thing to reduce stringing is to lower the temperature. It has lots of blobs. I am convinced the problem is either hardware or printer firmware, because I have old gcode files from 1+years ago that print awful too, and used to print great. PETG stringing can detract from the quality of your 3D-printed objects. The Bowden setup on the Ender 3 Pro V2 is great for many applications, but sometimes you need the precision that only a direct extruder can provide. Nowadays, he primarily uses his Ender 3 to print functional parts that make his life more convenient whenever possible. I've played around with the settings a bit, but I keep getting blobs on the outside, and stringing on the print. I reduced the resolution to 0. Read about the causes and how you can prevent them! Jul 18, 2021 · Retraction, or pulling the filament back during travel, relieves pressure on the nozzle. 5 mm, and the Ender 3 profile provided with Cura sets it to 6 mm. The default value for an Ender 3 is 5mm and you can probably leave that one as is. I have been going through guides to try and resolve some stringing issues. Creality Ender-3 V3 KE/SE. The issue started sometime this summer. The Ender 3 and Prusa are two of the most common printers that generate these issues. The reason why you want to retract the filament is to prevent the melted filament from leaking when the nozzle travels through a print gap. Retraction speed: ≤40 mm/s Nov 22, 2023 · What are blobs and zits: Unwanted bubbles of over-extruded filament on a 3D printed model’s shell that ruin surface finish and block movement. Ender Series. Dec 12, 2023 · 3D print zits and blobs are a quality issue that affects appearance and function. On the Ender 3, the Bowden tube’s rigidity is often the culprit. As a reminder, most common print quality issues can be found in the Simplify3D picture guide. I purchased an Ender 3 last week and am having some issues with quality prints. Hotend. I'm assuming you want to tune retraction due to stringing. PLA stringing and blobbing could happen in some printers more than others. That removed the zits. Here's what I get if I set everything to default, switch filament spool, and use a . Nov 21, 2022 · I have an Ender 3 Pro with the direct drive upgrade, aluminum extruder (The same problem happened with the plastic one), double-sided bed default black on one side and PEI on the other (Happens with both), aluminum adjustment knobs for bed with better springs, and upgraded spool holder with ball bearings. hwkmwytvaphvatotsgajxkcmeobusijymwupajogtngocky
