Questions tagged [pla]

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

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25 views

How do you solve PLA corner-curling short of printing really, REALLY slow?

I've been trying a lot of different things to combat corners curling upward in the first few tens of layers after the bottom skin. To be clear, I'm not talking about corners of the first layer printed ...
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1answer
29 views

Retraction Jamming Problem!

Recently I had this problem where I needed to change filament from PLA to PET-G or similar. And... filament jam. After playing around with different settings and speeds and still getting the same ...
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2answers
92 views

Build plate adhesion, PLA

Am just wondering if any conclusions can be drawn from this: Three corners are solid, but not the one in the centre of the plate. The bed was levelled before printing (and checked afterwards also). ...
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2answers
38 views

Sketchup designed object printing first layer incorrectly

I am a 3D printing beginner but wanted to get stuck in straight away and design my own 3D objects. I used Sketchup to design a badge of one of my logos. I make sure that all faces of my object are not ...
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0answers
20 views

Will the inside of a vehicle be too hot for PLA? [duplicate]

I'm thinking about doing a print to go inside a vehicle. I have PLA at hand, ready to go. Is that gonna work, or will the hot temperatures we sometimes get inside cars on sunny summer days cause the ...
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2answers
34 views

Damaged overhang

I have issues with this overhang: The whole part always breaks in this overhang during the print. I tried to increase the count of wall lines and decrease printing speed, but none of those things ...
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1answer
20 views

Ender 5 Slant or Leaning when printing multiple parts

Getting slanted or leaning prints when printing multiple parts. I checked the eccentric nuts and belts aren't rubbing anything. All works well when printing a single part. But multiple parts: What am ...
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0answers
42 views

Does PLA become brittle with age? [duplicate]

I tried to use an old spool of PDA and the filament would keep breaking. New filament will discolor white but stay intact when you bend it. This old filament would break off at a clean 90 degrees ...
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2answers
78 views

Anyone tried Varathane water-based Wood Stain on Hatchbox Wood PLA?

I printed parts for a Harry Potter wand with HatchBox Wood PLA, now I want to apply stain. I intended to try MinWax PolyShades wood stain, then noticed Varathane water-based wood stain is available at ...
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2answers
55 views

What is causing these strings in the overhangs?

I am consistently getting these strings in the overhangs on models that folks say they are printing without supports. Can anyone tell me what is causing them and what I can do to fix them? I've ...
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1answer
49 views

Layer lifted and separated from ESD PLA

I'm using the default Ultimaker Cura draft profile but with the nozzle temp at 220 °C because this is a special ESD filament. All was going well after some troubleshooting thanks to some ...
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4answers
107 views

How do I get circles on small interior holes to adhere to the bed?

I’m using a RepRap printer, PLA (Hatchbox 1.75 mm), SketchUp, and Slic3r. The heated bed is covered with a blue polyester sticker. When I print small holes (1 to 1.5 mm radius), slicer software ...
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1answer
72 views

Ender 3 first layer of ESD PLA printing on raft fails

I was asked to print something with ESD PLA and the first layer, on a raft, is coming out like this: Nozzle temperature was 220 °C and I'm using the default Cura draft profile. Can you ...
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0answers
55 views

PLA chemical resistances? Especially HCl, other acids

I'm interested in 3d printed reaction chambers, but can't find any good information on chemical resistances of PLA, just vague claims that it "might not be" "because it's biodegradable" or that it ...
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1answer
70 views

PLA 3D Print longevity after being printed

I am curious about the longevity of a PLA printed part used in a commercial application. It would be a mounting bracket installed in an industrial enclosure. The internal cabinet temperature would ...
2
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1answer
38 views

Long prints shifting with Ultimaker 2

I am currently using Ultimaker 2+ to print some big parts with PLA. As long as the printing lasts for less than 15 hours (that's what I observed by experience, approximately), there are no problems. ...
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1answer
83 views

Odd print artifacts on same layer as large top surface

I printed the following object (I'm printing the single opening version, Flower_pot_3.STL), and observed an unusual print artifact. I would like some idea of what's going on so I can avoid it in the ...
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1answer
135 views

Can I use Araldite to stick PLA to metal frame?

I have a PLA base, that the MOSFETs are sitting on. I don't want to drill through the base of the printer, I was thinking of using Araldite to stick the PLA base to the metal frame. The PLA base will ...
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2answers
176 views

Does PLA block wifi signals?

I printed a raspberry pi case from PLA. This case. I fitted it to my raspberry pi and now the wifi keeps dropping out. When I take it out of the case there is no problem. The filament I am using is ...
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1answer
177 views

Adhesion issues using AmazonBasics PLA [duplicate]

I am a neophyte at 3D printing. My Ender 3 is now 4 days old and I modified it out of the box with a glass bed. My first print was a fairly complex item, but a mere 90 x 160 x 3.5 mm. Used the ...
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2answers
73 views

da Vinci 1.0 cannot print PLA filament

I bought new yellow PLA filament from XYZ (1.75 mm). Over the past I have printed many objects with my da Vinci 1.0 (ABS only). I found that while the brim is being printing (using default ...
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0answers
31 views

Spraying aluminium hydroxide nanoparticles onto PLA as fire retardant? [closed]

Several scientific papers study FR-PLA (fire resistant PLA) in which Aluminium Hydroxide nanoparticles are melt blended into the PLA (example source: Advances in Flame Retardant Poly(Lactic Acid). ...
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1answer
48 views

Sealing PLA & oil-based art supplies?

I will be printing an item that's usually made out of resin, but my version will be made out of PLA. Here are some questions I have: Usually, people seal the resin with brands such as Testor's, ...
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2answers
140 views

3D printed part sticking to the support layer

I am using a Flash Forge Creator, and when I print big parts (only in this case) I have about 25% of the bottom of the printed object sticking very hard to its support layer. And I spend a lot of time ...
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1answer
715 views

PETG Sticking to Nozzle

For a while now, my AmazonBasics PETG filament has been working like a charm. Now, it is balling up on my nozzle. I've tried slowing it down, re-leveling the bed, etc. I don't want to go through the ...
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0answers
50 views

E3D V6 PLA prints leaning / not square

When printing a 1cm test cube after upgrading to the V6 the cubes are tilted ever so slightly. This does not happen with the stock MK8 hotend, or when printing with the V6 with Polycarbonate+...
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3answers
812 views

Filament extrusion always stops at some point during print

I own a Creality CR-10 (using Ultimaker Cura for slicing) and I am experiencing terrible printing problems. My problem: I am not able to print anything that takes several hours to print. For parts ...
2
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1answer
347 views

Extruder get loose

Printer: Anet A6 I'm gaving some trouble with a loose hot end. I was trying to peel of some PLA when I noticed the whole thing was kinda loose. I could pull it out very easy. So I tried to put it ...
3
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4answers
159 views

What causes burnt corners?

Today I was printing some parts and I got these burn marks at the corners: This is the first time I see this on this printer (Anycubic I3 Mega). I was using more or less the same settings (in Cura) ...
3
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4answers
189 views

Heatercartridge bolt stuck

After a brownout a print failed and it got the whole hotend covered in PLA. I am now in the process of replacing some parts on the hotend (one of the thermistor legs broke of) and also wanted to take ...
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1answer
73 views

Designing lenses

Recently, I did discover that it might be possible to print fully solid, air free and thus optical homogenous, even with PLA. How can I design a proper focusing lens (or rather: single sided lens ...
4
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4answers
396 views

Printing rectangular grid

I am trying to print an item with a rectangular grid (using PLA on Ultimaker 2+): Holes are 4x4 mm, distance between holes (wall thickness): 1mm. I am printing with 0.4 mm nozzle. Unfortunately, ...
5
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1answer
255 views

Sandable primer suitable for PLA?

What kind of primer should I be using for my PLA prints? I want to be able to sand the object after applying the primer for a smooth finish before painting. Would something like this work? https://...
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1answer
403 views

How to remove exess filament from bed after removing model

Recently got an Anycubic I3 Mega Printer and I've been playing with what it can do, but after a model is done it leaves residue on the build plate behind that is bugging me. Do I NEED to remove it? If ...
2
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2answers
276 views

Makerbot Replicator (5th generation) poor print quality

Current main problem is that at various points during a print, one layer doesn’t attach well to the layer below it. That is what appears to be causing the artifacts in the second picture below, but ...
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1answer
70 views

Trying to control temperature of hotend using PWM signal and MOSFET

I have a 40 W, 12 V resistance heater in the hotend. It also has a 100 kΩ thermistor built in. I am using an Arduino to read the temperature on the LCD. This is working fine. I want to use this ...
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3answers
265 views

Considerations when pausing a print job

Some prints take a long time and, as I'm not in a workshop, I need to pause the print sometimes. Are there any special considerations I should take when pausing, or can I literally just click pause, ...
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2answers
141 views

Silicone spray as a release agent?

I've just printed my very first part and it did not want to come loose from the build plate, it fact, it just broke instead. I can heat the bed up again and work it off, but I wondered if a release ...
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3answers
2k views

Flashforge Adventurer 3 Filament feeder loud thumping noise, not enough filament extruded

My Flashforge Adventurer 3 is not printing properly. Filament feeder makes repetitive loud thumping noise and not enough filament is extruded. Resulting print (if completed) is not solid. Results ...
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1answer
92 views

Does color changing PLA require a hardened nozzle?

I've seen comments about glow-in-the-dark filament being abrasive and would damage a bronze nozzle so a hardened nozzle is recommended. Is the same true for filament that changes colour when warm (...
2
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1answer
303 views

Cantilever snap-fits print axis

I'm new to 3d printing and need to design and print a case on an Ultimaker S5 using PLA. The case is box like and consist of a top and a bottom part. I was thinking about cantilever snap-fits to join ...
3
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1answer
765 views

Monoprice maker select v2 doesn't extrude but is not clogged [closed]

So I have been printing lately, and got a new spool of filament. It will extrude when I pre-heat the nozzle and manually extrude it, however when I start to print, it doesn't extrude any filament. ...
7
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3answers
3k views

What causes ripples on part of first layer?

I'm having issues with ripples on the first layer of big flat prints. The initial corner of a big flat print is fine, but then ripples begin to form as shown in the screenshot. I'm just a newbie, so ...
2
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2answers
385 views

Inconsistent filament flow on anet a8

My Anet A8 was working and printing great until my hotbed connector snapped and shorted out my motherboard. After replacing the connections to my hotbed and my motherboard I can't print anything ...
2
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2answers
412 views

How to remove unwanted filament trails from sharp corners

I'm a 2-week newbie at 3D printing, working on a new Qidi Xpro machine (that is solid and one that I like). So, I do not want to believe that this issue is caused by my printer itself. I'm hoping that ...
3
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2answers
566 views

Bowden tube clog

There's PLA filament clogged in my bowden tube, is there a best practice for cleaning it out or do I need to replace the whole tube? Also the couplings are totally stuck :S - so I guess those would ...
4
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1answer
404 views

Print speed and settings for printing below 0.1mm resolution on PLA

I recently purchased an Anycubic Kossel Linear Plus delta printer, and I'm interested in trying to print slightly below the 0.1 mm stated lower limit of layer height. I'm not interested in trying to ...
5
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2answers
1k views

Why does my part-cooling fan cause stringing?

Really strange observation with my MP Select Mini V2 printing PLA. I've printed a dual-fan shroud so I can have a dedicated part-cooling fan. I've noticed that when I turn it on, the extruder starts ...
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2answers
3k views

How do I know when filament is getting old, and what things can I do to correct for it?

I've heard I should store filament in sealed container, preferably with a desiccant. But let's say I let a spool get a little old on the printer, or I purchased a filament spool that was old or ...
5
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6answers
3k views

Constant under extrusion and filament grinding

I sadly have a big problem since a couple of weeks and I cant fix it myself. For over 20 prints, I had the same problems: At the start, everything goes well but at some point of time, my Creality CR-...