Questions tagged [pla]

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

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0answers
19 views

Prusa MK3S weird 'Blobs' on PLA print surface

This is the first time I've run into this problem and it seems very confusing. I wanted to print a simple functional part out of PLA and although the first few layers were fine, the 6th/7th layer ...
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1answer
24 views

Problem printing circles/holes on Anycubic I3 mega

For some time I've been struggling to print models with holes going all the way through from top to bottom. Models without those holes print out just fine. I've spend quite some time on levelling the ...
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2answers
50 views

3D Print something as flexible as a cloth with PLA?

Would it be posible to design something that is as flexible and that can be printed with PLA that would work as a cloth? I did some research and found that there was a company named Electroloom but ...
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1answer
42 views

How can I solve the problem of line distortions on my prints?

Hello guys I have a little problem with printing. Whenever I print something there are always these lines my printer does, it's not a very big deal, but it looks rather ugly and I'd really appreciate ...
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1answer
68 views

My first layer becomes solid when sections are supposed to have small separations

I've only been 3D printing for a few weeks and most of my prints seem to come out fine, but when I try to print models which require a small clearance between sections of the model, e.g. various ...
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1answer
123 views

How to smooth PLA Prints without using sandpaper, solvents or paint

I need to smooth some prints with silk PLA filament. The silk PLA has a nice translucent effect but unfortunately if sanded results in an horrible matte finish regardless the sandpaper grade (I have ...
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2answers
76 views

Does moisture cause warping?

I'm printing flat objects (like rectangular) with PLA on a glass bed and 70 celcius degrees (also tried 75 celcius too, 65 celcius and lower ends with adhesion problem in general). Also I use brims ...
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1answer
53 views

Why can't I use PLA with ABS in a dual extruding 3D printer?

I have a XYZ Da Vinci duo and I want to run water soluble PLA with ABS How can I do that?
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3answers
74 views

Model stuck on the heating bed

I've tried to apply a sharp blade (the one that came witht he printer) to scrape the model off like I usually do but this model seems overly robust. What method can I do to take this off safely? See ...
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2answers
82 views

Top layers failing/underextruding on Creality CR-10

For some reason the only the top layers keep failing or underextruding on my prints, for no clear reason. Here are my settings: Slicer: Simplify3D Filament: 1.75 mm Black PLA from Filamentive ...
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1answer
257 views

Filament spreading apart and stringy on first layer

I keep having this issue on prints where the first layer has stringy lines that don't stick together. I've tried the following things Replaced nozzle and throat Used new filament (to rule out ...
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3answers
384 views

Why does my PLA filament keep snapping?

Why does my 3 mm PLA filament always snap near the spool some time (usually a few hours) after a print has finished? I have had it snap mid print but this is quite rare. I have 3 rolls of 3&...
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1answer
196 views

Fixing Z-Hop Stringing

I'm printing a model on my Ender 3 in Mika3D Silk PLA, which (just for reference, this is not atypical) has a stated temperature of 200 °C to 235 °C. I have used this filament before ...
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0answers
50 views

Shell detaches from the rest of the part

I'm printing with a Prusa MK3, with the following settings: 3 perimeters 50 % infill infill overlap: 50 % The filament is Polyalchemy emerald green (PLA). Nozzle temperature: 210 °C. ...
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4answers
553 views

Smallest dot/dot indent for Prusa MK3S using PLA

I want to make a project involving many small dots indents and I would like to know how I can calculate the smallest dot hole the Prusa i3 MK3S can extrude around on a layer using PLA. In other words, ...
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1answer
171 views

overlaying epoxy resin on PLA

I've been experimenting with FDM 3D printers and PLA for about a year now. I'm at the point where I'd like to produce something considerably stronger than PLA, and was wondering if there is a faux-pas ...
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2answers
400 views

Why doesn't PLA stick to heated bed?

I have a basic Creality Ender-3 with a black rough bed cover. I'm printing with PLA. After assembly, I printed 3 or 4 small toys sliced by Cura with basic settings. All were printed very well! ...
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2answers
97 views

Technique for removing support from Ultimaker 2+?

I have made some prints with the Ultimaker 2+ and Ultimaker 2 Extended+. The prints are in PLA. For slicing, I use Cura and I check the support checkbox (haven't gone to advanced settings to adjust ...
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3answers
128 views

PLA printings always ~0.22% larger

I was trying to print parts for a small CD-ROM drive based plotter based on this thing https://www.thingiverse.com/thing:3521286 But as tolerances are very small and need to match the existing parts, ...
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1answer
145 views

PLA Filament Not Softening During Load w/ FlashForge Creator Pro

Recently, after printing fine for several weeks, I've gone to load in white PLA filament into the right extruder on my FlashForge Creator Pro and the extruder is not pulling the white PLA filament ...
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1answer
171 views

Making Polyurethane molds with PLA (or ABS) 3D printed master

I want to make Polyurethane molds for concrete using 3D printed PLA or ABS master object. like this video: (this video is not about concrete of course!) I'm not sure ...
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2answers
103 views

Understanding water soluble support structures

I've just done my first print on an Ultimaker 3 Extended and I'm slightly disappointed with the results, so I'm trying to understand how I can do better next time. My first print Preparing for ...
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2answers
644 views

Reasons for a PLA print not sticking to bed all the sudden?

Plastic: Same Matterhacker PLA (filament I use every day) Printer: Anycubic i3 Mega (the one I use every day) Slicer: Ultimaker Cura 4.2.1 I don't know what's causing it, I haven't changed any slicer ...
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2answers
2k views

Ender 3 Pro Filament extrusion problems

I run quite a few Ender 3 Pro's using the same slicer settings (Simplify3D), and just recently I have noticed a very odd extrusion problem. I find that at about the same height on several printers ...
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1answer
95 views

Printing with White pla, problems while printing a benchy boat

So I am having trouble with this white pla, I am currently printing with a tempature of 225 degrees and going lower worsen the printing, but what I find strange is that it is always the same area that ...
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2answers
174 views

Is this articulated Turtle print failing because of over extrusion on a Taz Workhorse?

I've been working on calibrating my Taz Workhorse, and was dealing with some under-extrusion issues, despite checking the e-steps on the extruder and relatively modest retraction settings (2.5 mm ...
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6answers
386 views

Make holes in PLA print

I have a print I need to make holes in. I have read some other threads where the answers was in short, "don't, print the holes", and "make sure to make the hole from the top or bottom". The problem ...
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2answers
106 views

Raised shell edges on ocarina print. RF1000 sliced with Cura Engine

I am trying to print a 12 hole Ocarina I found on thingiverse. When printing I have to stop it around 25-30 layers because the edge of the shell is higher then the infill. G-Code of first 30 layers ...
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1answer
2k views

How to fight lots of stringing with PLA at low temperature (185 °C)?

I just got my first 3D printer (Creality Ender 3) on Friday, 2 days ago. It works great, but for some reason I'm getting a lot of stringing on my prints, especially the ones where the extruder head ...
4
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1answer
1k views

Ender 5: Bowden tube shifts in/out of extruder during retractions

I have an Ender 5 with an aluminum extruder that was printing beautifully for a few days after building it. I received a Capricorn bowden tube and new couplings as a gift, and replaced those, and now ...
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4answers
4k views

Why keep the bed heated after initial layer(s) with PLA (or PETG)?

I'm printing on an Ender 5 with the default flex/magnetic build surface. I read that PLA and PETG may sometimes be printed without any bed heating at all and also that bed heating is the main ...
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2answers
528 views

First layer prints too thin causing gaps everywhere

I'd assume insufficient z offset but some areas of the first layer look fine. I've been struggling with this problem despite lots of attempts including z offset, infill overlap, belt retensioning, etc....
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1answer
61 views

Models are printing with a scratch on the side

I just recently got an Ender 3 and have been trying to learn the do’s and don’ts. My first model looked like it had under extrusion and stringing, but my second model looks like it has frequent “...
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2answers
113 views

Why is my 3D printer not extruding properly?

I have a Duplicator i3 mini, which has yet to make it a month without breaking. This time it is extra broken because the filament is not extruding properly. the most successful print I've had yet had ...
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1answer
869 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
381 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
185 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
67 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
23 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
53 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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2answers
206 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
57 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
182 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
238 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
57 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
465 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
361 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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1answer
377 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
129 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 ...
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1answer
45 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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