Get Rid of Blobs in Your 3D Prints
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- เผยแพร่เมื่อ 21 เม.ย. 2022
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Chuck takes a first look at Cura 5.0 Beta and finds that the new flow features revealed a flaw in his Ender 2 Pro. He explains it all in this week's Filament Friday.
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Looking forward to your updated profiles. E3v2 to be precise :)
Excellent presentation. You explain everything with visual examples, which is extremely helpful in understanding the points you are making. Great video.. thanks!
Just want to say thank you for everything you do for 3d printing community ive been at it a year now and have learned so much from you 👍
Chuck I gotta tell that ever since you gave us the "fast profile" it has completely upped my printing game. My channel is all about making pulse motors from completely 3D printed parts and now that I have that fast profile, I can print much larger parts and a fraction of the time it use to take. AND the print quality is even better as well. U DA MAN!!!!! Can't wait for the 5.0 CHEP profiles :)
Thanks for the information. I love your bed leveler tool.
I’ve been waiting for a feature like this! Prusa slicer has something quite similar where it just ignores the really small movements but I don’t enjoy the interface so this is amazing
The easiest way to fix this issue (if the option is missing from your printer's screen) is to set in Cura 5 the Machine settings under Preferences / Printers by modifying the G-code by adding this in the 2. line in Starting G-code:
M413 S0 ;
Note that this will turn off the auto save so you will loose the option to recover your print if something goes wrong.
I prefer just turning it off in the LCD.
@@FilamentFriday You are right, I updated my comment to make it clear it was ment for printers which do not have this option on screen.
I'll try this
@@shaolin21 I will also try this, my Ender v2 is making me crazy doing those random blobs, already measured the extrusion and it is spot on by the milimeter.
And it looks like its freezing just to do something else
@@pedrojustice I hope it will help. I also fixed my Ender 3 v2 prints with this method after days of fighting with calibrations and Cura setting without success.
Hey Chuck! I'm a big fan of the channel and just thought I'd let you know. I take plenty of your advice for my 3d printing adventures. Cheers dude!
Very good information, as you always do!
Hey Chep, I have and Ender 3 S1 and have these small blobs. Do you know where to turn off the power outage feature? I'm not seeing anything in the menus. Thank you!
Really, really interesting! Thanks a bunch, Chuck! 😃
Stay safe there with your family! 🖖😊
Good info, as always....thanks CHEP!
That’s very interesting. I still have a little bump on my edge for my test cubes with 4.13.1. I’ve debated messing with Coasting
Great catch!
Nice. I hope Cura 5 solves the problem of nozzle traveling through ironed surfaces. Super frustrating for more complex top surfaces.
Thanks CHEP, that helped a lot! I'm still noticing some small(er) blobs and holes at the seams ... Wanted to tweak the linear advance but it seems that the E3 S1 doesn't have that option, any idea how I could improve my seams?
I do have one of those printers in my line up. Interesting? Will have to try
Hii, I Anet ET5 X (Marlin 2.0) user, I have some problem with overshoot at every corner when I try print calibration cube. Any suggestions to solve that problem? 🙏🙏
Not sure this is a cura bug - waiting in a corner seems more like a firmware issue to me. Plus you chould try linear avdvance, but again, if the firmware JUST stops printing there to write out, that is not something the slicer can sensibly predict and is essentially a failure of the firmware.
Not a Cura bug at all. Never said it was. But it did help find a bug in my printer setup.
It power loss recovery as Chep said. Both my Creality printers suffer with it, even more so in case mode. Modifying the firmware so it writes to SDCard instead of the slower EMMC helps but now I just turn it off.
not firmware error, but sd card need to be formatted, error occurs when it needs to read the next layer and pauses a smuggling and thereby the lilli bubble occurs
i suspect you just solved a similar issue to what i was having, i always got bulges on the corner of my prints, thought it was related to being bowden tube, and overpressure - all the other printers i have access to are direct drive. so hopefully this fixes it for me
I just downloaded cura 5.0 today. Pretty sweet.
The FLSun SR had a similar problem on release where it would pause and cause blobbing due to the restart ability and saving data at end / start of a level. The cure here was to turn it off OR to reformat the sd card… not sure why but it worked for me.
I think I'll wait for a more official release. I've had enough tedious tinkering haha. Ordered one of your bed levellers though!
can u do a video of the best cura settings on the ender 3 v2 in the beta thanks
I wonder if the length of the bowden tube becomes important for using variable line widths.
Got this same problem on random seam but didn’t visually see a pause, and recently went from the Ender 5’s 8bit board to a SKR mini which is a 32bit board, surely this wouldn’t be the issue?
Life saver, thankyou for this info
I didn't see setting for the Ender 2 Pro in the Beta settings... I just got mine! Could someone please help with some settings?
Great stuff!
Also nice that this time he didn’t use his middle finger to point on the logos as the end of the video 😁
Another useful video 👍
Hi Chuck, on your Cura 13 print you mentioned waveyness on the seam line of your cube and that you might have to adjust your profile. Which settings would you adjust first as I'm trying to resolve the same issue? Thanks.
Jerk settings mostly.
If corner bloom is problem u can also try linear advance...
I think it pauses to save the current layer to flash memory so it knows where to resume, the firmware team forgot to make it do that while printing
Wonder how this is going to work with klipper and pressure advance.
That sure sounds a bit like a firmware bug...
Or sd card
Definitely related to firmware/SD Card R/W time.
My Ender 3 is creating little blobs at the start of every layer, much smaller than yours. At first, they probably stuck out a mm but after I slowed down the print in the Slicer (Creality 4.8.2) and changed to Hatchbox Filament the blobs seem to be a bit smaller but still noticeable when I am looking for them. Turning the Power Outage protection thing off maybe helped a little but, it is still making a seem. Is it natural to have a vertical line of these mini lumps, like a zipper?
No, check your esteps and adjust flow. Temp may be too high as well.
Did u just install a Swiss extruder or a direct drive? Ever since I installed my direct drive on my Ender 3 I had this problem
@@thefishguy3755 nope I just put it together on default factory settings.
@@thefishguy3755 I have a direct drive Ender 3 S1 and have these small blobs. I cant find where to turn off the power outage feature.
I want to try it, but I also don't want to spend time figuring out how to make variable line width work best with my 1mm nozzle
Pretty sure you’re the Cura expert. That’s amazing.
I don't think it's possible to be a Cura expert. But I still love it.
Hey Chuck. A question if I may: Is it still a good idea to manually adjust the flowrate on the display (Using Jyers firmware, Ender 3V2) with this variable line width?
No, adjust it in the slicer.
Yea I tried it today, did one print ,and then went back to the old version. I got melted corners , my tolerance was off , and not a smooth print like I'm used to . I also lost some plugins during the move. I think I'll wait for the bugs to get worked out too
Cant wait till they get some of thr old plug ins to work with 5.0.0
With my ender 3 and updating firmware, I found I had to disable power off resume recovery function all together, because it being ON and the "ability to write" to SD card ate up too much memory for my poor board to handle. (I wanted to enable some other features, like linear advance) Honestly my results with the recovery has been terrible anyway - none of my power fail prints have ever recovered properly, so I wasn't losing much. Power goes out - print is ruined still. (I plan to make a Battery Backup for this, as an hour or so would be plenty for most blackouts)
My biggest issue though, is verticle lines on my Y face I can't figure out. In a discord trying for help and still nothing. Weeks of troubleshooting and ruined parts.
I had this very same pause-and-blob problem yesterday on my Ender 3 V2. I started the print again with the same problem. Then I sliced the model with the exact same settings and saved the gcode file to a different (and otherwise empty) SD card and the blobs were completely gone. So I guess it’s definitely a SD card read/write issue.
what sd card do you change to?
I just downloaded it today. Did a print on 4.3 and it took 44 minutes. Did the same print on 5 and it took 34 minutes and came out wat better with the same settings. Not sure what is different. But I like it.
so just writing to the sdcard made it pause that long?
I have blobs also, but no configuration on my LED screen. I have an ender 3 V2 and cura 5.0.0 and 1.0.4 creality version Thanks for any help you can give me.
me too, i can't turn off the resume print on my ender 3 v2. have you fixed your problem ?
@@Edwardz_c any luck fixing the issue?
I have a Ultimaker S5 and also get messy corners with V5 compared to V4, and S5 has no auto resume type feature either. Will stick to V4 for now !
Could you report your findings on the Cura github page? I'd love to help you out figure out what the issue is.
@@nallath I have looked into it and V5 messes the seam up when you enable coasting, saying that even with coasting disabled the seam is cleaner in 4, but the difference is more pronounced with coasting on (can be seen in preview view)
I have this problem too on version 4.13.1
Odd, I'm having this same issue, and the option is turned off.
I just started using Cura 5.0 and I really have noticed much difference other than some blobs when printing a sphere. Otherwise it prints great. I saw another video where they changed the mesh resolution to get rid of the blobs.
I did have a problem installing Cura 5.0 though as the Virus Scanners think it is a Virus. I looked online and this is a common problem and has to do with their new icon. I had McAfee on my fairly new laptop and was unable to figure out how to tell it to allow it so I installed my regular AntiVirus BitDefender and it automatically created a rule for it. My desktop PC I actually had to create a rule. Everything seems to be working okay now though.
Sticking with 4.10. for now.
Will check it out later.
4.07 also still works😅😄
most of the plugin does not work with 5.0 !
I have the same issue since updated to Cura 5.0 with the Ultimaker S5.
Does anybody know, how I can solve this problem?
Downgrade to old cura maybe.
Heads up - the product placement segment is way louder than the rest of the video.
I have noticed that very few youtubers understand the importance of having good audio levels. At the very least, throw on a compressor or limiter to ease the pain
Thanks CHEP. I built my Ender 3 Pro made a chep cube scared to modify stuff.
Hi, I have a blob printing the cube always at the seam and always at the same layers but not all the layers... I turned off power recovery mode, still same (ender 3 v2 neo)
Did you ever figure out your issue I am having the same problem but on an elegoo
@crankdoughnut6923 Yeah I've been having the same issue on my neptune 3 pro
If you have an Elegoo turn off resume printing it’s what fixed mine
@crankdoughnut6923 Yoo thanks so much it worked
In my case, it turned out to be my new TFT35 on my Ender 3 not having a stable connection through its usb port. After going back to using the regular mini SD slot, my prints were fine again.
I've had the same issue since upgrading to skr3 mini and TFT35. I've been racking my brain trying to figure it out. I'll try using the mini slot again. Thanks!
I'm having a similar issue with pauses a each layer, but I'm printing from octoprint and have power recover disabled...
same
can that printer setting be turned off on an ender 3 v2? mine doesnt seem to have that option. (maybe there might be an alternate firmware that has it?)
Option is available with Jyers firmware… assume it’s there on the professional firmware too.
@@nodowt I actually found out that theres a command you can add in the gcode to turn autosaving off...
Will your new extra fast profile work with this new Cura version?
Yes, just not optimal yet.
Did Cura 5 break a lot of plugins? Such as the previously reviewed profile analyser? :\
They apparently all need to be updated
Hey chep how do I fix this issue on my ender 3, it does not have a configuration setting like your printer
Marlin firmware sight says:
Disable power-loss recovery
M413 S0
Add that to your Start GCode in the slicer and see if that works.
Did it work?
Great video do you know how to switch off power outage in Ender 3 s1 pro ?
should be the same
Are there any Cura 5.0 updates that we can print even faster? You made me addicted to speed.
How can UK viewers get your bed leveler gadget? It doesn't seem to be available to ship to the UK.
Others have bought it from Amazon.
My um2+ also having same issue on cura 5.1, is there any way for solve it？thank you
did you ever figure this out?
@@localgamerz.. just down grade the software to previous version and no more this issue....
Since the “resume print” feature causes a slight delay at the seam, I wonder how much it affects print time.
Not much. Let's say your print is 10cm tall and has 0.2mm layers, then a half-second pause adds 5 minutes. That's a print that could probably be 2 hours long if not much more.
With a decent SD-Card and without extra stalling inducing bugs, the write access hides entirely in the plan length and causes zero delay and print time increase.
@@SianaGearz thanks for the answer!
I have a bit of another problem and researching brought me here. When printing on my Ender 2 Pro from SD card, everything is fine. I´m getting amazing prints off of this little guy. Now I connected a Raspberry Pi 3B with Octoprint. Power Outage is off and I made sure it stays off with "Store Settings". Now, while printing through Octoprint im getting weird blobs randomly positioned all over my prints. The printhead just stops for a second or two and spits out filament without any axis moving. Shortly after it continues. Any idea?
It's probably due to your board being overwhelmed by the amount of G-CODE, check Arc Welder on youtube you might get you additional cues
Is there a way to deactivate this option on Cura? I mean, my Ender 3 doesnt have this option to disable the outage recovery, so i need another way to disable it.
In Machine Settings, in the Start G-Code section, add 'M413 S0' ... that should shut off the write to SD card after every layer.
@@richard3365 M413 S0 wont work for klipper, looking for other solution
@@richard3365 TY bro.
Question sir. Would it be ok with u if I altered the end stop and make it a nozzle stop guide to make it easier to find the X marks the spot. On the sensor.
Are you referring to the end cap for the E- Leveler?
@@FilamentFriday correct. A little bit of editing it can be used as a guide for the nozzle to follow and set right out the button instead of using a light and trying to bend to see if it in the right area.
@@FilamentFriday and no I won’t be posting any pics or stl of this.
I’m interested in your idea.
@@FilamentFriday is there a way I can send u a pic of what I came up with
I'm getting a bunch of zits on my cr10s prints ... I bought the printer of a friend who says she never had this problem before, so I figured it might be a Cura profile setting thing, but I don't know what ...
In theory retract at layer change setting would mitigate this firmware issue, but Cura does some weird stuff that might result in the Z move happening early and triggering the problem if the firmware does it based on Z move.
Z move doesn't get emitted by CURA early I don't think? Marlin doesn't actually do the save in the Z move, it does the write when the gcode parser processes a move that contains X or Y and extruder displacement, but last write was at a position which was more than 0.05mm in Z lower. Extruder check was added because although resume is incompatible with Z Hop in principle, because with it being around, who really knows where the toolhead is in Z, it should at least skip the write if it were to be triggered by it. But it's not perfect, because "continue retract" post processing script will mess it up. The only true solid way to get resume would be to have an advance warning pin from a circuit connected to the power supply primary. However then also you need to save the last executed partial move, which it does not. It just does its best to repeat the layer it got stuck on.
This does pose a potential issue though because the parser runs ahead, it feeds the planner synchronously, and the planner emits a buffer with a bunch of moves that get executed by the step routine sometime later whenever it gets to it. So the saving can actually occur before the Z move has started or completed executing. Ideally the saving would get triggered by a special flag in the plan buffer. It's a crappy system for a crappy event.
Z Hop could be fixed on printers that home to Z Max but it's not considered, since it's just such an uncommon config.
@@SianaGearz Oh, wow. That means the write is necessarily after unretract and thereby necessarily ruins your print oozing while it dwells. 🤦🤦🤦 What a misfeature.
@@daliasprints9798 Creality engineering. Marlin team tried to rescue it best they could and make it less bad, but I could tell they get queasy just looking at it. Ideally you'd have an RTC chip or something like that, they have some arbitrary SRAM storage ideal for this, if you're not going to have advance warning. And ideally you'd write how many steps were taken several times a second, or when the advance warning fires, and then would just run the file in dry run mode until you reach the spot, but that can be very slow.
I don't think SD card write disables interrupts, so the step routine continues operating if there is enough of a plan. And normally the write is not disruptive on a well behaved SD card.
The write actually is triggered during parsing and not during plan execution. But as far as I can tell, the written and compared Z are the actual ones of the toolhead at that point as updated by the step routine. It's baffling. But it also doesn't seem to be worth too much effort to properly rescue it, like, the list of tasks is really really overwhelming for a small developer group. I for once don't need the feature because my last power outage is 20 years ago, so I'm not working on it, and even as bad as it is, it appears useful enough for some people, and every involvement by someone may break it.
@@SianaGearz Yeah FFS just nuke it from orbit.
I have 2 ender 3 v2 and only one of them is having this issue which is weird. I also have updated the gcode to remove power loss setting but I’m still getting blobs. I’m at a loss at this point. Anybody have any suggestions? The newer updated ender 3 v2 is the one I’m having issues with out of the 2
Same here
same
Try a new quality higher speed SD card. It’s the read write time that causes it.
any SD card preferences?
same here!
Thank you, I couldn't figure out why the z seam kept leaving blobs.
Is it true that Cura 5 doesn't support the octopi plug-in in this beta release?
All plugins need updating.
If you go to the octopi plugin GIT repo, he has an update that enables it to work with beta5 (using it now) but I think they mightve officially updated it in the market place
@@ericrowinsky4729 I got octopi working and was able to print 1 item but now it just hangs when slicing. I tried rebooting the PC and reinstalling it and nothing. Oh well..
Is it only effect on ender 2 pro or all printer?
Any printer with Marlin power loss resume and with a low quality SD-Card. Any of the newer Creality printers past some point a couple years ago. The feature is wonky, if you don't need it, turn it off.
Hope they worked out in 5.1
When I loaded it it didnt like my plugins and suggested I uninstall 70% of them and reinstall, yeah right! I and I have just got rid of obese corners and Im not going through the figuring out of how to solve it yet again, I will just wait for the release
What's going on Chuck? Trying to become a silver member but I never get a verification email to complete the transaction
I've checked and I don't see anything. It must be an issue with Patreon.
@@FilamentFriday Ok, thanks. I'm looking to become a Gold member. You have a lot of useful things on 3D printing and have started watching all of your videos. Keep up the great work 👍👍
I wonder if Pressure Advance would help this?
That's the wrong side to fix the issue at. Like sure it'll be likely less obvious as the pressure advance logic relieves the pressure somewhat before the layer transition happens, but the unplanned halt while SD card stalls the control board due to a low quality chip will still happen and will still lead to a residual issue.
Also I don't believe it's compiled into that particular firmware, but maybe I'm wrong.
Edit: it's not in and can't be enabled. It'll crash the stepper driver chip for the extruder if you try.
Trying this out right now…😎
just format your sd card or copy everything over on is other and better card and you will see the problem disappear with the little blob,
Great video as always! Quick question: would you be interested in doing a video on how you went about selling your mailbox flags and bed leveling sensor on eBay, Etsy, Amazon, etc? I'm trying to start selling my own items but It would really help coming from someone such as yourself that has already found success. Just a request! Thanks!
Best I can offer: Make Money 3D Printing with a Creality ENDER 3
th-cam.com/video/AgqB5H1XijI/w-d-xo.html
@@FilamentFriday
can u do a video of the best cura settings on the ender 3 v2 in the beta thanks
Great video as always, but lately you seem to be fixated on the Ender 2. Why?
I absolutely love it.
I do have blobs at layer starts on a Ender 3 S1. No way to turn off resume function.
I had the same issue - You can make it better by adding ( M413 S0 ; Disable Power Loss Recovery ) in the start G-CODE of your machine setting in CURA - but it doesn't completely fix the problem, you'll probably still have some small blobs and holes where you have your seams ... I'm actively looking for a way to fix that
@@BenleGentil so if i do M413 S1 will that add power loss recovery back ?? i have a ender 3v2 that if the power goes out cant finish the print
Can you run Cura on M1 Macs yet or is it still broke?
I don’t have one to test so I’m not sure
I run it on M1 just fine
Have ender 3v2 using cura 5.0
Getting the blobs on the lower left corner. Can not find in the menus where to turn off power settings to stop getting blobs on the corner
look into getting jyers firmware, the same setting there is something like "power shutoff recovery"
I have to remember to read the comments before I post. Thanks guys I'll try updating my firmware.
Wish I could get the beta to work on my Mac
put windows on it
@@natalieisagirlnow haha. I have parallels with windows 10 setup. I didn't even think of that.
Good eye
The power outage feature will wear out your SD card pretty fast anyway.
Dont know what pretty fast means becuase i have my stock sd card for like 2 years already and sadly where i live the power outage features is necessary
Don't worry, taking the card out of the printer and putting it back in wears it out faster. Mechanical damage more relevant than electrical.
Not sure if it's just me, but my printer sounds different running the 5 slice. Seems quieter.
Less zigzagging for those fillins
The main point of this video seems to be a firmware bug in the Ender which is totally unrelated to Cura 5.0. The fix for the bulges was to turn the power outage safety off. Updating Cura to 5.0 didn't contribute to the fix. Or did I understand it wrong?
It helped find the error that existed in the printer. Never said it was v5.0 fault.
It was just a side effect of the new slicer algorithm. Others may experience this issue when moving to v5.0 so I explained how to fix it.
@@FilamentFriday then what does the title of the video refer to?
It refers to the fact that V5.0 reveled a flaw I wasn’t aware of in the Ender 2 Pro printer so “V5.0 fixed my printer”.
@@FilamentFriday releaving a flaw isn't the same as fixing that flaw. The title doesn't reflect what the video is about.
26,000+ views and 1,500 thumbs up along with numerous positive comments would imply it delivered as expected.
I noticed this new beta a little bit ago.
It was released yesterday.
2:27 what GCode viewer is that?
Or is that just a diff program?
Just an online diff program.
this is why I only buy a printer that you've reviewed lol
Chuck, do you think software and printers will ever be so well designed that all issues like this become a thing of the past, and all prints are automatically flawless? How about an automatic filament analyser and profile adjuster?
Not at low prices.
@@FilamentFriday That's disappointing. I think I'd pay 50% more just to eliminate all the aggro.
I think we'll see all sorts of machine learning, cloud-based computation, and other "smarts" applied to 3D printing. We're still very much in the early stages of the tech.
@@Bonestripper1986 Are there any that are that fancy yet? If so, care to name some please?
@@jungletek That's a great thought. I hope you're right!
Bobby blobby blobby blobby!!! 😜
Hey I commented on one of your other videos if u can help me please
Thanks CHEP. 👍🏻
I was wondering whatever happened to Arachne.
We merged that code. Arachne is now the basis for Cura 5.0
info regarding that (power outage is set to on and there by gives problems.
this is so not the case, hate on the first few test prints i made there was on the sd chord the same problem and found out that the problem was the sd card formatted the card and transferred all the files back again and the problem was gone. then uses prusa slicer and has not made any errors and firmware is standstill.
I need your help chep
I do that thru Patreon.
I did hit you up on Patreon five months ago
Yeah, thought so. Email me the details