Questions tagged [pla]

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

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At what bed temperature is it safe to remove PLA prints?

I print with PLA with hotbed set to 60 °C. If I try to remove the print immediately after printing, the bottom part of the print might deform and keep the shape to which it was bent at the time of ...
tpimh's user avatar
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-1 votes
1 answer
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Nozzle Z-level is not aligned with Z-probe

With my Ender 3 S1 the bed leveling z-probe level and the nozzle Z-level are not alligned. The nozzle is 0.77 mm higher than the bed leveling probe. I think this causes some problems I have: When ...
Chris's user avatar
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0 votes
1 answer
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Can a PLA print be laser engraved?

Is it possible to laser engrave an object that was 3D printed with PLA or will the structure of the whole object simply melt and fail? How does PLA behave when being engraved? Does it require special ...
Bob Ortiz's user avatar
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1 vote
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How can I reduce stringing on very small parts?

I'm trying to print a 30% version of this High Bypass Engine Nacelle, but I'm having some quality issues with the high pressure turbine compression stages. I've uploaded several photos to Imgur here, ...
J H's user avatar
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1 vote
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Is warping solely caused by thermal stress on the printed material?

Is thermal stress the root cause of warping of printed parts? As in the (rapid) shrinkage of the cooling down material? Either the material (PLA, ABS, PETG) is cooled down too fast either by too much ...
Bob Ortiz's user avatar
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3 votes
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Is there a possibility to reliably print PLA with an Ender 3 that has an all-metal hot end?

I want to use my Ender 3 as a multi-filament-printing printer As many users already have asked, printing PLA with an all-metal hot end is not really recommended. But, if I am attempting to use my ...
JJLC's user avatar
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1 vote
2 answers
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How to design a cable pull relief?

A thick power cable will go into my 3D-printed device, and I am looking for options to design a "pull relief" against the full pull power of a human. Ideally, it should be designed mostly on ...
underflow's user avatar
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1 answer
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Does PLA lose mechanical properties when recycled, and if so, how often can it be recycled?

In addition to the question Does rPLA stand for Recycled PLA, or is it a different type of material?. Does PLA lose mechanical properties when it is being recycled into rPLA? If so, how often can it ...
Bob Ortiz's user avatar
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Does rPLA stand for Recycled PLA, or is it a different type of material?

I see mixed terms such as 'rPLA, Recycled PLA, Recycled rPLA' used by different filament producers without a clear explanation or a standard definition. Does it all mean Recycled PLA, or is rPLA a ...
Bob Ortiz's user avatar
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2 votes
1 answer
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How is it possible for (PHA) prints to warp on an unheated bed?

I'm experimenting with a new type of filament, 100 % polyhydroxyalkanoates (PHA). However, per the manufacturer's instructions I'm using a PLA profile in Cura and with the only change being a 200 °C ...
Bob Ortiz's user avatar
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Is the term 'biodegradable' in the context of PLA misleading or misunderstood when industrial conditions are required to achieve it?

According to the Oxford Dictionary (Google), the definition of biodegradability is as follows: (of a substance or object) capable of being decomposed by bacteria or other living organisms and thereby ...
Bob Ortiz's user avatar
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44 views

What conditions need to be met precisely to achieve PLA biodegradation?

In addition to the question: Can I really throw failed PLA prints on compost? and anything else I've read about PLA biodegradability, what exact conditions are needed to achieve this? I mean, oxygen ...
Bob Ortiz's user avatar
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1 vote
1 answer
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How can I get PLA to stick to my printer bed?

I'm printing a model, sliced in Cura, on a Monoprice Mini Delta v2. The model is long, about the width of the print bed. When I print it, the extruder drags the filament (which should stay in place) ...
XenonPy's user avatar
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1 vote
1 answer
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Any good way to recycle filament? [duplicate]

With a good amount of failed prints, I now have a bunch of filament that is... trash. Is there a good way to recycle it, or any services that you send them your lost filament to then melt it back into ...
Fredy31's user avatar
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Is there a filament that exhibits less deformation than PETG (when subjected to stress for a particular application)?

I've printed a "clamp" in PETG which locks a power switch down (the "On" position). After a few days, the print is not working anymore. So I was wondering if PLA (or any filament) ...
mindbreaker's user avatar
-1 votes
2 answers
94 views

Ender 3 printing fails with several Cura profiles

I have just purchased the Creality Ender 3 Printer and tried to print the model that comes with it on the SD card and the print was completed successfully with amazing quality details. So far, so good....
MrObscure's user avatar
0 votes
1 answer
78 views

Bad print quality, Temperature Fluctuates about +/- 8 degrees

I've been having tremendously bad print quality lately and have been doing everything I can think of to fix it, none of it is helping. I tried printing a Temp Tower for the first time and since I was ...
Kenny Wyland's user avatar
0 votes
0 answers
49 views

First layer issue with new filament

My settings were fine but after switching to a new brand of PLA I seem to be getting issues with the first layer. My previous filament had a print temp between 200 °C and 230 °C. My current settings ...
Jordan Klaers's user avatar
0 votes
1 answer
47 views

How to improve quality of edge over support

I am having trouble with my print here, specifically with the part laying on the green support: It seems the edge running on the supports does not stick to it and it wants to curl upwards : I have ...
ESD's user avatar
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2 votes
2 answers
3k views

What materials can I use to fill gaps in PLA?

Relatively new to 3D printing but have learnt a lot, I just need some help on the finishing process. I currently have some print-in-place PLA figures I need to sand down and some have holes I need to ...
Nathan's user avatar
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0 votes
2 answers
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3D printer not printing [closed]

I’m new to the printing scene and got an Ender 3 Neo Max. I printed a couple of models with no problem, then the filament just stopped dispersing. I figured I had a clog, so I tried to shove something ...
sogeking's user avatar
1 vote
1 answer
262 views

How do I remove clogged filament around a nozzle

Problem: The first layer on the bed was printed fine, but it seems the filament got stuck or something and wouldn't stick to the bed, but instead to the nozzle. Note, it also got behind the blue ...
Jowo's user avatar
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2 votes
1 answer
689 views

Why are flat sections printing rough?

This is not a duplicate of Ender 3 first print some area is smooth but some is rough? -- that question has vertical, curved surfaces that are rough. My vertical, curved surfaces are fine; it is ...
Magua's user avatar
  • 121
2 votes
1 answer
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Can water or liquid nitrogen mist cooling be used in part cooling?

From what I know, the speed (X, Y) of the nozzle always be slowed down to 10 mm/s-100 mm/s when printing bridge or overhang structure because of insufficient cooling. The printing speed is less than 1/...
zhouxiangming's user avatar
2 votes
1 answer
158 views

How do I fix deformities when printing on my Ender 3 V2?

Being a newbie in 3D printing, I have some trouble with my prints. After removing wiggle room from the X axis and the bed, there are deformities even on simple prints. The first layer turns out okay-...
Barth's user avatar
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0 votes
1 answer
380 views

Gaps in infill only - walls are perfect

I'm printing for the first times on my new Sovol SV04, using their PLA @ 210 °C (after printing a temp tower). The walls and top layers are almost perfect, but the infill has a lot of gaps between ...
Mark's user avatar
  • 427
1 vote
1 answer
166 views

How to improve flat, large areas over supports

I have a similar issue like this one. I'm using Cura 5.3.1, a Dremel 3D45 and PLA+ by eSun. The printings are almost perfect and repeatable. The only issue is about flat and large areas over supports. ...
Mark's user avatar
  • 427
1 vote
0 answers
138 views

Consistently inconsistent/blobby first layer

Info: Printer - Creality Ender 3 V2 (slightly modified) replaced original hotend with another standard hotend (same model) PEI coated magnetic bed (printing on rough side.) CRTouch ABL Filament - ...
yasu3d's user avatar
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3 votes
2 answers
500 views

Drying filament with heated bed on Prusa - how to "bypass" safety timer?

On my Prusa MK3, I'm trying to make a G-code that only heats up the print bed and moves the Z-axis up and down a little bit every 20 mins to prevent the safety timer going off. This is what I have ...
Gart Hondo's user avatar
2 votes
1 answer
91 views

Help to find out all the failures in first IDEX test

I've just got a brand new Sovol SV04 IDEX printer. After struggling for days on bed levelling, I came out with an almost decent alignment. So I printed the well-known boat to test a dual print. Here ...
Mark's user avatar
  • 427
0 votes
1 answer
85 views

Underextrusion Cause

Printer: Ender 3 with a metal extruder - PLA After a long break from printing anything, I started printing again, but the results had obvious underextrusion issues: But after I tweaked temp, flow, and ...
kenntnisse's user avatar
0 votes
1 answer
1k views

PLA temperature tower failed

I'm using the eSun Silk PLA and I printed a temperature tower to find out the best settings. For print speed, the default speed of 50 mm/s and 25 mm/s for walls and surfaces are used. The problem is ...
Mark's user avatar
  • 427
1 vote
1 answer
48 views

What are these effects caused by? And can I get rid of them?

I am using a Cobra Max to print PLA. I am trying to print a computer / tablet case. There are some "defects" in it which look like the print head dragged something. I have used a ...
tmighty's user avatar
  • 531
2 votes
0 answers
139 views

Filament Problem: Benchy example

What could be going wrong here? I have never seen this sort of printing problem before or I am just not recognizing it. It most definately is coming from the filament because I have tried switching ...
Manfred Wisniewski's user avatar
0 votes
1 answer
250 views

Targetting low thermal conducitivity with PLA

I'm working on a (currently only conceptual) design for a Peltier-cooled sample holder, and the cold side will need some insulation. It's likely to be a rather complex shape, so 3D printing it looks ...
Chris H's user avatar
  • 101
6 votes
1 answer
310 views

Failed filament dryer deformed my filament. Is it salvageable?

I bought a very famed filament dryer (won't mention the brand) which turned bad on me as I got a failed one; it got exceedingly hot (uneven 60-68 °C) and deformed an almost full PLA spool. Aside from ...
Luis GG's user avatar
  • 73
5 votes
1 answer
105 views

Same parameters lead to very different results

This summer I bought a white PLA+ filament from Sunlu. After some trials, I found these settings in Ultimaker Cura for my Dremel 3D45: The layer thickness is 0.2 mm. The objects were printed almost ...
Mark's user avatar
  • 427
1 vote
0 answers
363 views

Ender 3 Pro extruder skipping and knocking, tried multiple things

I recently purchased some MatterHackers Quantum PLA and began printing on my Ender 3 Pro. I successfully printed three times with no problem, on the fourth print about 2 hours in, the extruder started ...
Ethan Child's user avatar
2 votes
2 answers
75 views

Stronger connection (thicker point) between two lines

I've just bought my first 3D printer, and I've started playing with it. But apparently, I have the problem that the raft won't stick. I mean, it sticks, for iteration (layer) or two, and after that it ...
user5214530's user avatar
5 votes
5 answers
11k views

How / where do I hide the seam?

Printer: Kobra Max Nozzle: 0.4 mm Material: PLA Slicer :Cura I have printed 1 model 3 times with different settings (different temperatures and different bed temperatures). Try 1: 190 °C / 50 °C Try ...
tmighty's user avatar
  • 531
7 votes
2 answers
2k views

A vertical scar on the print surface, what is the name of this problem?

Printer: Kobra Max Nozzle: 0.4 mm Material: PLA Slicer :Cura I have printed 1 model 3 times with different settings (different temperatures and different bed temperatures). Try 1: 190 °C / 50 °C Try ...
tmighty's user avatar
  • 531
1 vote
1 answer
2k views

eSun Silk Rainbow PLA leads to nozzle clogging

I use eSUN (Silk) PLA filament daily and I've never had an issue. I use the parameters suggested by the manufacturer: nozzle temperature: 210 °C bed temperature: 60 °C (with purple glue) The ...
Mark's user avatar
  • 427
0 votes
2 answers
60 views

Make a joint to keep together rings of PLA

I have a PLA 3D-printed object made of several rings with a diameter of 150 mm and a thickness of 6 mm. The height of each ring is about 30-35 mm but it does not matter so much. I'm looking for a way ...
Mark's user avatar
  • 427
1 vote
1 answer
1k views

Why raft is printed much better than the actual first layer?

I'm facing a weird problem I cannot understand why it happens. Most of my objects have a large planar base so I don't have any adhesion issue. I'm using a PLA Silk gold filament from eSun (filament ...
Mark's user avatar
  • 427
1 vote
2 answers
218 views

How to Print Food Safe With Replicator + and Z18? Three specific questions

I am working with a bunch of Makerbot Replicator+ printers and one Z18 in a classroom. I would like my students to be able to print cups and stuff to drink from if they want. I know I need a food-safe ...
Jesse's user avatar
  • 141
2 votes
0 answers
295 views

Does Silk PLA really contains elastomers as additives?

I have heard many times that silk PLA is PLA with some unspecified elastomers in it, but without any reliable reference to confirm this statement. If it contains elastomers it should be more flexible ...
AndreaF's user avatar
  • 227
0 votes
1 answer
145 views

Layer separation before Z seam on VoxeLab Aquila

I purchased new PLA, and from the first print, the wall layers will have little gaps in them but only "just before" (depending on the size this can be half an inch to a couple of inches) the ...
Noah Norman's user avatar
2 votes
2 answers
4k views

Are there any major safety risks of PLA plastic?

Are there any safety risks inherent to PLA plastics used for 3D printing? The material safety data sheet of some PLA plastics indicates low risks at a toxicological level, but I'd like to make sure ...
plu's user avatar
  • 123
0 votes
0 answers
213 views

Quantum PLA stops extruding, other PLA works fine

I recently tried to use Matterhackers Quantum filament and I've run into some issues and curious if anyone else has. I have a CR6-SE with community firmware, a regular Bowden tube with upgraded ...
Dennis Best II's user avatar
1 vote
1 answer
2k views

My printer clogs after Printing TPU! How can I fix it back up?

After printing some parts in TPU, I encountered continuous clogging after returning to PLA. Not right out of the bat, but after about an hour or such, all prints I started since the swap back clog ...
Trish's user avatar
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