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Questions tagged [pla]

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

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2
votes
1answer
30 views

Technique for removing support from Ultimaker 2+? [duplicate]

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 ...
5
votes
3answers
101 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, ...
3
votes
1answer
54 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 ...
0
votes
1answer
38 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 ...
2
votes
2answers
68 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 ...
3
votes
2answers
206 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 ...
4
votes
2answers
108 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 ...
3
votes
1answer
64 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 ...
3
votes
2answers
130 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 ...
2
votes
6answers
157 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 ...
1
vote
2answers
93 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 ...
4
votes
1answer
186 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 ...
2
votes
1answer
226 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 ...
4
votes
4answers
1k 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 ...
2
votes
2answers
107 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....
0
votes
1answer
52 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 “...
3
votes
2answers
67 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 ...
0
votes
1answer
99 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 ...
1
vote
1answer
80 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 ...
2
votes
2answers
118 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). ...
1
vote
2answers
42 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 ...
0
votes
0answers
21 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 ...
2
votes
2answers
39 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 ...
1
vote
2answers
80 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 ...
1
vote
0answers
46 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 ...
2
votes
2answers
100 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 ...
3
votes
2answers
82 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 ...
1
vote
1answer
50 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 ...
1
vote
4answers
165 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 ...
1
vote
1answer
141 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 ...
2
votes
1answer
86 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 ...
4
votes
1answer
87 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
votes
1answer
40 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. ...
1
vote
1answer
115 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 ...
1
vote
1answer
207 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 ...
6
votes
2answers
206 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 ...
3
votes
1answer
215 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 ...
3
votes
2answers
115 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 ...
2
votes
0answers
35 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). ...
1
vote
1answer
58 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, ...
4
votes
2answers
156 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 ...
2
votes
1answer
1k 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 ...
2
votes
0answers
68 views

E3D V6 PLA prints leaning / not square

When printing a 1 cm 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+...
3
votes
3answers
1k 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
votes
1answer
383 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
votes
4answers
217 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) ...
5
votes
4answers
250 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 ...
1
vote
1answer
74 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
votes
4answers
466 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, ...
6
votes
1answer
389 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://...