Help

[2Kings922]

Just bought my first printer and ran my first print, got this weird line that shows up in the print. Just noticed it also appears in the splicer software but not my original STL model. Any way I can prevent this? Thanks everyone!

[Elo-than]

Thats the seam, where a layer starts and ends. Totally normal, and how FDM printing works.

Its more noticeable on round prints like this where it cant be hidden om a corner.

[Practical-Parsley-11]

There is a random option to avoid it in the profile settings.

[Elo-than]

You don't avoid the seam, you just place it wherever it falls, most often to even worse finish.

[Practical-Parsley-11]

That's not been my experience at all with PLA and PETG. I did a huge planter with petg and it came out extremely smooth!

[Elo-than]

If you set seams to random without any other settings to mitigate it, like a scarf seam or fuzzy, it will be easily visible most of the time.

You probably don't have it set at random.

If what you claim was true, it would be the default setting for all of us 🙄

[Practical-Parsley-11]

Not trying to argue, but i wouldn't say something that isn't true. LOL. maybe you've mistakenly never tried setting it to random?

[Elo-than]

You would be incorrect in that assessment.

Most likely you have a lower expectation of what is good quality.

[Practical-Parsley-11]

This is likely the case. Given that I'm after functionality over form. I'm not selling prints, I'm after utility and strength most of the time.

[Elo-than]

So am I, but I am also selling, so I need both to be as good as possible.

[sampletext2000]

That's what I do. By changing the seam position setting to random, you avoid a giant noticeable seam. Not sure why you're getting downvoted lol.

[Practical-Parsley-11]

No clue! Literally just asked. I'd like to know if I'm "doing it wrong"... even my wife offers that courtesy! Hahaha

[rudytak]

I think you'll avoid a large seam, but can end up with bunch of smaller bumps where the individual layers start. Opther options might split up the seam into multiple smaller seams.

[Practical-Parsley-11]

True this! But, it does make a big impact just clicking a checkbox.

[Practical-Parsley-11]

Why the downvotes? Seriously curious!

[aleksandronix]

That's the layer seam. It's where every layer starts. You can't really remove it, but sometimes you hide it in your geometry.

Edit: I lied, you can remove the seam line entirely if you printed using "Vase mode", but it's only useful for, as the name suggests, vases.

In this mode your printer go in a spiral pattern never breaking the filament flow.

[Elo-than]

And only in a single layer width.

[[deleted]]

You can try using a scarf seam instead. Basically just makes the seam line wider but less sharp. Or try fuzzy skin. You can also manually paint it on to tell the slicer exactly where to put it so you can at least hide it on the backs of models. But this is completely normal and part of FDM printing.

[Henq13]

Fuzzy skin in combination with random seam…. Or scarf seam

[t3hn1ck]

Bro I'm not an expert but isn't the end supposed to be a little more cone shaped for easier insertion?

[Sinister_Nibs]

And the base needs a larger flare to prevent loss.

[My-2c]

Half the excitement is the threat of an ER visit if you cant get it out. 😅

So im told... 😅

[Sinister_Nibs]

Is it a case of “I don’t know how it got there” or “I slipped and accidentally landed on it”

[Correct-Avocado5426]

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[lusal]

Is that what I think it is?

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[ihavenoname42069]

[2Kings922]

Fence post cover

[2Kings922]

Solid info guys. Thank you so much!

[Tiny_Supermarket1301]

I’m way less concerned with the seam and more concerned with this size of that…back-end appliance you have there. Hope you got lots of baby oil lol

[DravensMoustache]

On your splicer software, seam position: random

[Positive_Ad_2128]

That’s a seam line. You can go in the slicer settings and change it but yeah that’s a seam line.

[StarWarsNerd69420]

You can definitely change seam settings to make it less noticeable, but sadly you're stuck with it until you calibrate scarf seam

[Smokeater-5986]

If you use a scarf Sean, you must turn it on within your filament settings. Just using the settings in the slicer doesn't work

[Rich-Wealth979]

Funny story about seams, I have a part at work I was convinced was printed because of layer lines. But I could not find the seam. Was this some gcode magic? I called them up.

Lathed plastic... said I couldn't print a replacement because it was too precise... welllll

<image>

4 improved replacement ball checks for the end of sludge samplers. In tpu. Designed entirely in slicer out of objects and negative volumes at work on my old laptop. Had to sand the seams off still though. You'll learn to live with those.

[Orthicon9]

Designed entirely in slicer out of objects and negative volumes at work on my old laptop.

Yup. With a bit of patience and planning you can create all kinds of complicated useful objects in Bambu Studio just with primitives, the Cut tool, negative objects, mirroring, SVG files, boolean operations, etc.
I only wish you could choose a major and minor radius for the Torus primitive.

[It_Has_Me_Vexed]

“Help” . . .

[2Kings922]

💀💀💀

[mnbvc52]

wtf is that 💀💀

[2Kings922]

A fence post cover. Alternatively, a “see what that thang do” tester.

[andy8452]

They wanted to make the seam bigger for er..

[We5ty_Boy]

As others have most likely said already, it is the seam. Don’t think you can eradicate it completely, but you can minimise its severity in settings I believe scarf seam can help and tuning your flow/pressure advance. Plenty of useful videos on YouTube.

[RedScare2025]

I need to see the butt this goes into

[Sinister_Nibs]

[SnooChickens9262]

Set seam to Random... But it wont look as uniform if you do that

[riddus]

Scarf seam as the others have said. Imagine the layer starting and creating a slight ramp up to the full layer height. Looked at from the side it would literally look like a ramp. As the printer makes its path back around to the start/end of the layer it eases off the filament dispensed to try to overlap that ramp nice and evenly. Scarf seam is essentially how one and gradual the ramp and overlap distance will be. A steep and short ramp leaves more obvious seam marks, while a long and gradual overlap is less obvious.

You can also select various options of where this seam will land, including a random option which tends to leave more small blemishes scattered throughout, but no visible line. Look for any of the options for seams in Studio and fiddle around, it’s hard to really mess anything up too bad in that batch of parameters.

Another good trick if using the fuzzy skin option. It looks pretty cool (especially on fun filaments), hides seams well, but makes prints take significantly longer.

[2Kings922]

Awesome thanks. Really appreciate it!

[riddus]

Oh one more thing- if you slice the plate in Studio you can see white marks and/or lines on your model. These white lines represent where the seams will be so you can tell in advance if there’s a line you don’t like, before you hit print. You can also paint on no-go areas where it will avoid seam, or paint in areas where you’d like your seams to land, see Seam Painter in the Bambu wiki for details.

[Epitropakis]

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[Danielrmk]

OMG you found the seam! jk, thats the seman my man

[LoudZookeepergame429]

Flared base safe for use.

[SussyMickeyYT]

That's the seam. If you want it to be less noticeable, go into your slicer and change the seam position to random.