Questions tagged [pla]

Polylactic Acid, also known as PLA, is a common biodegradable thermoplastic polymer.

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1answer
56 views

PLA filament becomes brittle inside PTFE tube

I know that it's said the PLA becomes brittle when kept in a humid environment, but my case is slightly weirder: I have rolls of 1.75 mm PLA that I bought years ago and they are fine. But if I leave ...
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2answers
87 views

What temperature should I bake PLA prints at to increase strength?

I recall seeing that it's possible to "bake" or "anneal" or even "remelt" PLA prints to strengthen them. As I understand it, the main effect is improving layer adhesion, ...
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2answers
202 views

Is enclosure without ventilation enough to keep VOC's and printer fumes from leaking into my room?

I am currently in the look for a 3D printer and one major issue I find it the fumes/VOCs that printing can emit. I am not planning to do ABS or similar but I've read from studies that PLA also may ...
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0answers
24 views

Why do segments of my print “pop” off the bed after a few layers? [duplicate]

I just received delivery of some new filament and after a few layers of printing some segments will start to "pop" off the bed. I've calibrated esteps and levelled bed. It only seems to ...
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1answer
26 views

PLA for Dactyl Manuform print | Which material for printing the shell

I bought PLA Wood for my planned Dactyl Manuform. But now the question is whether this will melt or deform in the sun. I live in Germany, where we reach some days at times 32 °C. However, the keyboard ...
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15 views

What are the characteristics of a specialize PLA that you have used?

What raised this question was someone's claim there is a PLA resistant to absorbing moisture unlike typical PLA filament. PLA seems to be the easiest filament to get a good print and has excellent ...
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2answers
71 views

Help With PLA settings

I’m just getting my feet wet with 3D printing, and I’ve had a few prints do this. Curious if anyone has any ideas for me that might help clean this up? (I don’t really have anyone in my personal ...
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1answer
82 views

Height of the prints are always larger

This problem is driving me crazy, no, seriously speaking. I bought this printer this week and started to calibrate for accurate dimensions. I printed the one-and-only calibration cube (20x20x20 also a ...
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3answers
82 views

Print not sticking to bed

Today I ran into an issue with the filament not sticking to the build plate. However, the strange part is, that this only happens with one filament color (both PLA, khaki, black works just fine) and ...
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0answers
34 views

Bad layers on prints on Ender 3 Max

I get these lines when printing most parts. I am using eSUN PLA+ at 205 °C (210 °C first layer) nozzle and 85 °C bed temps (it does not really want to stick below that on the stock build platform), ...
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3answers
98 views

My Hatchbox PLA filament only allows me to use rafts

When I first got my 3D printer (a FlashForge Adventurer 3), it came with a sample pack of filament. With this filament, I was able to use skirts for my first layer. When the sample filament ran out, I ...
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1answer
80 views

Randomly underextruding/overextruding small part on CR-10

I am printing fairly cheap, but highly rated, PLA and not sure whether this is underextrusion or overextrusion; but it just looks bumpy and not clean. My settings: 195 °C at 60 mm/s bed temp 50 °C 0....
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4answers
831 views

How to improve this Benchy? BIQU B1

I have just acquired my first 3D printer, a BIQU B1. Overall I'm quite pleased with the printing results but I'm having minor defects on the Benchy test. I'm not sure what the problem is, but I guess ...
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1answer
59 views

Is it better use Nylon fillement for cold pull even if I have been using PLA?

Using Prusa I3 MK3S I am using PLA fillement and I need to do cold pull from time to time. I noticed many people on Internet suggestusing Nylon fillement for clod pull. I wanted to reach out to this ...
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0answers
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Why is this outer wall warping?

I am printing a battery compartment cover on my CR-X Pro. Upon removing the cover I see that some of the outer walls are warping. I have tried printing this same piece with and without bed heat, ...
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2answers
56 views

Apply / find / create a stainless steel coating to apply to a PETG or PLA part to make it react to a magnet

Apply / find / create a stainless steel coating to apply to a PETG or PLA part to make it react to a magnet. My goal is to make a small tubular and conical shapes that can be painted with a stainless ...
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2answers
469 views

Horizontal lines on feature/geometry/density change

I've had an Ender 5 Plus for a few weeks now. It's printing great and I've got my tuning pretty good at the moment. I've noticed some horizontal inconsistencies matching feature/geometry changes. It ...
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1answer
1k views

How to tell if PLA temp is too hot/cold

I was having an issue with flat sheets raising up during initial layers. I had my bed at 80 °C and kept raising it thinking it was an issue with cold. After reducing the temperature to 50 °C the ...
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1answer
29 views

Intermittent Y-shift print issue only with multiple items

I have an issue with a Y-shift every few lines only when printing multiple items at once. If I print the exact same models individually, they each print fine. Notice the shift only happens a few times,...
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2answers
411 views

My nozzle on my Ender3 V2 is higher when it is printing than it is when I auto home it

I just got a new Ender3 version two for Christmas and was very excited to use it so I put it together and used the sample filament that came with the printer and everything worked okay for a bit. That ...
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0answers
47 views

Treating PLA (Polylactic acid) plastic to make it biodegradable

I am using PLA for 3D printing, and I know it does not degrade well in the wild. I would like to know if there is a chemical process I could use to treat it at home. Specifically, I am looking for a ...
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1answer
111 views

Over extruding and feeding gear is grinding Ender 3 pro

This issue is completely leaving me lost, my printer extrudes too much and leaves blobs yet the gear will just suddenly start grinding as soon as it begins to fill in the outline of my print. The ...
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1answer
31 views

Where to find “Heat deflection temperature” , “Impact resistance Charpy” and “Tensile strength” for a specific brand Filament PLA?

I have an MK3S 3D printer, and I use this table as a reference on how to tune my printer for a specific Filament brand. https://help.prusa3d.com/en/materials I am trying to find a few missing ...
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2answers
113 views

How to get superglue off PLA filament?

So I'm making my friend a Monado sword replica and I've printed the handle in 2 pieces as to fill it with electronics and then superglue the 2 halves together. I seem to have put too much on and it's ...
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19 views

Crashed while printing (adhesion issue? Level issue?)

Printing with "Amolen bronze PLA", success with smaller prints. Decided to print the "Fillenium M", but it crashed at 50 % during the print. I assume the print fell down (due to ...
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0answers
19 views

Intermittent lifting (Creality CR-6SE + glass bed + stock PLA) issues [duplicate]

Creality CR-6 SE 1.0.2 Creality Slicer 4.2.1 stock PLA roll Slicer settings: Default (generic PLA) 0.2 Having intermittent issues where prints (usually edge) would "lift". I replaced the ...
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0answers
192 views

CR-10 Extruder Clicking / Filament jammed in Extruder?

I have a CR-10 S5. I was very happy with the way it was printing but all of a sudden it cant get past 1 hour of printing without the filament breaking in the extruder. I have caught it in the act, it ...
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1answer
54 views

Are there differences in filament consumption between ABS and PLA

I have been printing the same model once with Verbatim PLA and once with an ABS material from Switzerland. For both I was using two brand new 1 kg spools of filament. I was printing both at the same ...
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2answers
668 views

Removed Nozzle, Plastic Still Backed Up after Cold Pull on Ender 3

I am still very much a novice and learning so here is the situation: Filament was not extruding from nozzle. Checked the filament feeder (worked fine, filament was being squeezed through) and tried ...
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1answer
41 views

Can parts that have warped (after being printed) be un-warped?

I have an on-going project to build a large lampshade in the shape of a geodesic dome. It's made of 3D printed frames that will be covered with rice paper. I printed the parts in PLA over a month or ...
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1answer
53 views

How to prepare bed for printing ABS filament?

I have never used ABS filament before, so my question is, how do I prepare my glass build plate for printing ABS filament? My second question, is, after you have prepared it, and have finished ...
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2answers
4k views

How can I make bed leveling improvements in the middle of my Ender 3 V2 bed?

Got my Ender 3 v2 and stack with the bed leveling. Used default settings, Creality slicer 4.2, test PLA from the kit and print model https://www.thingiverse.com/thing:3013319 (4 squares in each corner ...
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3answers
582 views

Is there a way to save a multi part print if one fails?

I'm printing 6 separate parts in one go, after 4 hours of printing one part failed, but the other 5 are printing nicely. Is there a way to prevent the print from printing the failed part and continue ...
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0answers
305 views

Patchy first layer on glass bed

The part at the front has only one layer, and has what appears to be uneven patches. The part at the back has had two layers, so it clears itself up. The build plate is flat, and level (I levelled it ...
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1answer
1k views

What can cause Z height loss in the first few layers?

All my prints come out about 1 mm too short in the Z dimension. So for example a 20 mm cube comes out 19 mm high. A 10 mm cube comes out 9 mm high. The X and Y dimensions are fine. There's a little ...
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2answers
2k views

Expansion in bottom skin after first layer

I'm having an issue where prints with narrow tolerance come out fused. This makes it pretty much impossible to print anything with narrow parts. It seems to be mostly (maybe only) an issue in the ...
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2answers
808 views

Can PETG be used as support material for PLA?

Printing supports, either complete, or partially from PVA have not always resulted in successful prints according to my experience with the filament (used in a dual extruder Ultimaker 3 extended). But,...
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2answers
98 views

How to find pure PLA filament?

Prompted by discussion in comments of a recent question whether PLA is suitable for parts that need to be in contact with acetone, I did some casual experiments and found that my clear/"natural&...
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2answers
2k views

Bumps in outer wall

First of all, I'm quite new to 3D printing. After printing some temperature towers, stringing and bridging tests, I wanted to print the Bechys to see everything working together. I'm getting some ...
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0answers
52 views

PLA Warps despite every effort to prevent it

I am using a Creality Ender 5 with a tempered glass bed. I could say that I am a seasoned 3D printing hobbyist but I am really out of ideas in this case. Currently I am using a grey colored PLA that ...
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0answers
105 views

Why does printing outer walls last cause corner curling?

In an old question I just self-answered, I had ongoing problems with corner curling that went away due to my switching to using Cura's Outer Before Inner Walls (...
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2answers
158 views

Bad quality at horizontal faces

I'm newbie at this stackexchange and I have a "FlashForge Finder"; lately there are many problems with the horizontal surfaces quality (Bottom and Top at the same time). As some issue guides suggests,...
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0answers
107 views

Prints are Squished

My printer prints stuff okay but its all squished and much shorter than the model, My z Axis Esteps is fine I checked for loose wires and overheating but I can't figure it out. My Temp is 195, .15 ...
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1answer
2k views

Material “clumping” when printing

I recently started swapping out my nozzle for different sizes. After a few times using a 0.4 mm, then 0.8 mm, then back to 0.4 mm, I now have this "clumping" going on when printing. The ...
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1answer
2k views

Print gets worse with every layer - Ender 3

First of all, I'm still new to this 3D printing and I've bought myself a second hand Ender 3 with some mods done to it. I've successfully printed with PLA in different colors but after a good first ...
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2answers
252 views

The filament is almost impossible to remove

Most people complain about the filament not sticking on build plate but mine is vice versa. At first it used to be very good. When I removed the magnetic bed the project would come off easily but for ...
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1answer
34 views

CTC i3 Y-axis thin / no filament deposition

I have this CTC i3 printer; when I print square test prints, as it moves along the Y-axis back to zero (front). It extrudes lines but very thin or none at all. But opposite direction along the Y axis ...
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1answer
264 views

Inconsistent printing results using same settings but different calibration models

I've got a second-hand Renkforce RF1000 which I've gone into more detail about in this question. The extruder works however, I get some inconsistent results. First I printed a calibration cube and ...
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1answer
957 views

Prusa MK3S 0.8 mm nozzle layers separating

I am currently printing a simple cup out of PLA (I will later anneal it). My nozzle is 0.8 mm and I'm using a 0.4 mm layer height. Unfortunately, the layers keep separating. They don't ...
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2answers
785 views

Why does PETG require slower speed?

PLA has a heat capacity of 1.8-2.1 J/g-K, while PETG 1.1-1.3 J/g-K. This means that each gram of PLA needs more energy to heat up. I assume no "melting latent energy", since we talk about ...

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