Ender 3 stringing and blobs

Ender 3 stringing and blobs. 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. 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. My Ender 3 makes lovely prints when it wishes, but more often than not, I run into this same issue. Share Add a Comment Jun 2, 2021 · I am using an Ender 3 with a Micro Swiss hotend and a 0. 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. 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. Things I have done to try to fix this: Nov 2, 2022 · 3. 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. Hello u/Nose_Fetish, . Creality Ender-3 V3 KE/SE. I’m using the ender 3 s1 with cura as my slicer. Here's what I get if I set everything to default, switch filament spool, and use a . and the print quality just overall seems bad. Retraction speed refers to the speed at which the extruder pulls the filament back during the retraction process. Ended up stopping the print because of heavy amounts of blobs and stringing, which usually doesn’t happen. The first thing you should try is increasing the retraction amount up to at least 6 mm. Hi everyone :). Here, enthusiasts, hobbyists, and professionals gather to discuss, troubleshoot, and explore everything related to 3D printing with the Ender 3. 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. Those little wisps of plastic can ruin the print’s surface and increase post-processing time. Most pla prints well at 200-205. My settings are: Temp: 230c Bed: 60c Retraction length: 0. 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. Nowadays, he primarily uses his Ender 3 to print functional parts that make his life more convenient whenever possible. 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. Here are some tried and true methods to prevent PETG stringing. 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. geekydrewbie January 11, 2024, 2:29pm 1. If you can rule out the causes of the stringing problem listed above, you should check the print temperature. ” Jan 18, 2020 · I'm currently testing the Alfawise U30 Pro and the Ender 3 Pro in a side-by-side comparison. Improve your print quality and save time and filament. Mid-print, the extruder will print little stringy blobs, then nothing at all and prints in air. Jan 19, 2023 · Preventing PETG Blobs and PETG Stringing. 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. 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. I'm assuming you want to tune retraction due to stringing. This is caused by the filaments hanging down from the nozzle as it moves to a new position. 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. 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. Tried calibration steps/tutorial, many attempts later my Retraction Test still have some (and some times a lot of) strings. I reduced the resolution to 0. 16 for the first time. I tried a suggestion: change resolution in mesh fixes of Cura to 0. Retraction speed. The biggest thing to reduce stringing is to lower the temperature. Decided to try Orca Slicer, now my prints are full of strings and small blobs. Retraction Setting. You can turn it off and see if it helps. I have used Cura for slicing with settings: Layer height: 0. 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. I've done two test prints so far, and oddly enough, the blobs occur in the exact same places. Step 3: Lower the Print Temperature. The good news is that stringing is usually very easy to fix. In order to fix stringing, it’s useful to understand why it happens in the first place. 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. Cura's default is 6. Knowing what causes stringing and how to fix it is critical for anyone involved in 3D printing. 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. The best way to solve the stringing problem is retraction. gcode file that was sent in-box from the manufacturer. ran the auto z offset and auto bed leveling and still had a crazy amount of stringing and blobs. But now there are white patches as shown in the image. The stringing problem often occurs because the print temperature is too high. 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. Filament. Zhop causes stringing. PETG prints between 220°C and 250°C, but a temperature above 245 °C might cause nozzle damage. The photos are of a failed print at a couple angles, as well as what the nozzle extrudes when it begins to fail. A retraction distance of 1 to 5 mm should be sufficient. 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):. 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. When to modify Ender 3 to a direct extrusion system. Oct 26, 2023 · PETG Stringing on the Ender 3 Pro. The Ender 3 and Prusa are two of the most common printers that generate these issues. I have been going through guides to try and resolve some stringing issues. Aug 21, 2021 · I'm getting zits or blobs in lithophanes while printing on my Ender 3 and 10S Pro. In most cases, there are many filaments was left on the 3D model after printing that be called as 3D printing stringing. I've played around with the settings a bit, but I keep getting blobs on the outside, and stringing on the print. The settings were 215c 50c 0. 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. 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. 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. It has lots of blobs. Retraction speed should be at least 20mm/s to around 100mm/s. Aug 12, 2019 · 4. That removed the zits. 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. 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. Awful stringing/blobbing(see attached pictures). The filament might have gathered moisture, which will cause a lot of stringing. If the retraction speed is 45mm/s, increase it by about 20% (54mm/s) and observe the model closely as it’s being printed. Jun 30, 2023 · The Ender 3 (V2/Pro/S1) printers are great at pushing filament, but stringing can be a problem. Ender Series. 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. I keep getting blobs/zits on the prints that I've been doing, and I'm not sure how to stop them. You can eliminate this problem, once and for all by following these few simple steps. 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. 12mm layer hight 50mm/s print speed. Ender 3 v2 neo with 4mm nozzle. Settings are default (bed: 70 °C and hot end: 200 °C). 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. 5 (from 0. 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. 5mm and retraction speed is 65mm/s. 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. And check if you see more stringing with 40% or 80% cooling. 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. Dec 12, 2023 · 3D print zits and blobs are a quality issue that affects appearance and function. Anyone else encountered this problem? Try decreasing the nozzle temperature by 5 – 10°C and check whether there’s less stringing. I did some googling and found suggestions indicating it may be a retraction issue. In general you can print a retraction or temperature tower 2-3 times. Let’s take a look at how to fix your 3D print stringing issues. I guess it's personal preference, but IMO thin strings are easier to get off of the printer than big 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. 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. 8 mm nozzle, Polylite PETG filament and a masking tape covered glass bed. The issue started sometime this summer. But not on all filament. 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. I have an Ender 3 v2 neo, printing with PLA. 5 mm is a low retraction distance. Make sure you select the most appropriate flair for your post. Try using a different spool than the one that is causing the stringing. As a reminder, most common print quality issues can be found in the Simplify3D picture guide. Let’s find out the differences. So I got an Ender 3 a while ago and I've been having some problems with it for some time. High temps equal more stringing. Other Tips. Flow rate Calibration 5. PETG stringing can detract from the quality of your 3D-printed objects. The stringing probability is reduced by reducing the printing temperature. 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. Hotend. Printing with PLA, retraction amount is 7. Aug 8, 2020 · The ‘Outer Wall Wipe Distance’ is another key setting here, which I’ve set to 0. 5 mm, and the Ender 3 profile provided with Cura sets it to 6 mm. We'll cover everything from adjusting your retraction settings to performing a 3D print stringing test, to make enjoy string-free 3D printing. Apr 22, 2024 · General recommended Ender 3 retraction distance: 5 mm, increasing in increments of 1 mm if stringing occurs. 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. 04mm on my Ender 3. PETG Stringing vs. 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. 1. The second is to disable z hop. 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. The good news is that you can solve this issue by correctly calibrating your Ender 3’s Retraction settings. Welcome to the Ender 3 community, a specialized subreddit for all users of the Ender 3 3D printer. Jan 12, 2024 · Learn how to avoid 3D printer stringing with these easy tips and tricks. Jan 11, 2024 · Ender-3 V3 SE - Stringing. Stringing in the nozzle might be caused by a heat dissipation issue in the nozzle. 2 but to no avail. A Subreddit for Ender 3 v2 users to seek help, share their creations and talk. Dec 14, 2021 · Stringing is a very common issue in 3D printing and it can make your 3D prints look really messy. Was printing a small character and decreased the layer height from . 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. I purchased an Ender 3 last week and am having some issues with quality prints. PLA Stringing And Blobbing In Ender 3 & Prusa. 2 to . Retraction distance: 6 – 6. The first stop to eliminate stringing is through a proper retraction setting. However, it is incumbent to understand the issue of stringing 3D printing before you can try to resolve it. On the Ender 3, the Bowden tube’s rigidity is often the culprit. IMO the way to address the issue is to alter retraction settings. How to Prevent PETG Stringing. PLA stringing and blobbing could happen in some printers more than others. 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. Apr 7, 2022 · 3D printing stringing is not the end of the world, even if it starts occurring in your new Ender 3. Oozing. Stringing and oozing are often related, but they are two different issues. 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. Hello, I am new the the 3D printing world, having just received an Ender 3 v2 a few days ago. Filament Humidity solution 4. 05 default). 5mm. 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. After trying out multiple different printing temperatures on over 20 different prints, I found that in my case, 220°C delivered the best results. Here are the pictures. The default value for an Ender 3 is 5mm and you can probably leave that one as is. bks ybjfp oyfibsg qvwzr pgac ijph orolk bqhyc rjwd jyq