Questions tagged [pla]

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

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Is there a way to make my 3D prints airtight?

I printed a G1/8 thread in PLA where I can connect a compressor to have a small pressure container. Even though all measurements are correct and it screws in fine, it still leaks air. Is there a way ...
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Filament not being extruded

I'm pretty new to 3D printing, got my printer about 5 days ago and spent most of my time with it. Not gonna lie, I'm quite frustrated at this point having read the entire internet and being unable to ...
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When printing multiple objects at once, or traveling over gaps in prints, I get a lot of stringing. How can I help this?

I have a Creality Ender 3 V2. I do a fairly good amount of printing with it, using only PLA.I have notice when I am printing between gaps or doing multiple objects at once, I get a lot of stringing. ...
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Every time I print with my Ender 3 V2, I get a bubbly ring around the bottom. How can I fix this?

I have a Creality Ender 3 V2. I have done quite a few prints with it using only PLA. When the prints are done, there is always a bubbly looking ring around the bottom of them. I have tried using rafts,...
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4 answers
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When I print with a raft on my 3D printer, the raft will not peel off. What settings can I change to fix this?

I recently bought a Creality Ender 3 V2. I have heard that it is best to use a raft when printing. I have tried to use a raft a few different times using PLA, with different settings each time. When I ...
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2 votes
1 answer
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Printer stops printing at the same spot for every model

The 3D printer I'm using (Creality Ender 3 v2) stops printing at approximately the same height and no matter which model I try to print. When it stops, it does not go to park position or auto home, it ...
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2 votes
1 answer
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PLA Globbing up on the Extruder Nozzle

My Ender 3 was printing great. However, I'm now getting all sorts of globbing up on the Extruder nozzle. This is causing the prints to fail, and if I come back after a print I'm often getting 1/3 of ...
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What causes different fluoresence of PLA from different sources?

I discovered this by accident while gluing two pieces of 3D printed PLA with UV-curing adhesive. It's not a problem but I'm curious about why the two materials appearance under UV light is so ...
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Print Fail: Partial Mess - What are possible causes?

Can anyone help explain what might be wrong to do this? I am printing a bunch of the same item.
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Prusa MK3S not printing during printing but extruder working and First Layer working fine

Recurring problem. My MK3 Prusa won't extrude when a print is intiated. Either nothing or a few blobs. However, manual extrusion, filament comes out just fine. Tried First Layer Calibration, comes out ...
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2 answers
129 views

The weirdest DIY 3D metal printing

I have a very eccentric, weird, unusual and strange idea. I need some advice and serious professional help. I'm interested in 3D printing in PLA a hollow complex structure with 0.2 thickness walls (...
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1 answer
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Does VHB tape stick better on 3D prints if the surface is completely flat or roughed up?

I made a hook recently that I put up with VHB tape. It fell off around 2 weeks later (the hook come loose from the tape). It's just a hook for an empty backpack, so let's say it is under medium load. ...
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2 votes
2 answers
108 views

How can cyanoacrylate haze be removed from PLA?

Using cyanoacrylate to glue PLA parts sometimes leaves a white residue or haze near the glue locations. Is there an easy way to remove it? I've tried water and alcohol swabs but after drying the haze ...
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Print not fully connected to edge of frame

I tried printing this mesh sheet, but the mesh part doesn't connect with the edge on one side. I have no idea what would be causing this. Is it something with the model? Is there a setting I can ...
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2 votes
3 answers
76 views

Issue with uneven surface when printing speed changes

I'm trying to get good-quality thin wall prints with PLA on my Creality CR10s Pro V2 using Cura. After hours of calibration and testing, I'm getting quite good results. However, there is one issue I ...
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2 answers
81 views

PLA not sticking to the build plate

I have an Anycubic Chiron printer and use Ultimaker Cura for slicing. Recently I printed a simple clip, had no problems whatsoever. I have since upgraded Cura to the latest version, and now the PLA ...
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4 votes
4 answers
298 views

Reinforcing inter-layer seams

I'm using my printer for some baby toys. My last print was one of those pillars for stacking rings, base 5. The basic format includes a base and a pillar coming up perpendicularly in the middle. A box ...
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1 vote
1 answer
108 views

Ender 3 print temperature

I've tried different retraction speeds and distances using calibration models, Z-hop, coasting but nothing prevented stringing. Now I tried printing at 230 °C and that seems to do the trick. Even 220 °...
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2 votes
0 answers
34 views

Are there dedicated setups to perform injection molding from PLA filament leftovers?

I would like to recycle all the leftovers from supports and from failed prints in PLA. I don't necessarily need to re-extrude new filament from it, so I was wondering if I could maybe perform some ...
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2 votes
1 answer
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Printing metal infused PLA does not work well

I have a 3D printer and I want to 3D print with metal infused PLA filament. It seems that this filament does not print that well (it won't melt to the right consistency). I referred to my manual and ...
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3 votes
1 answer
140 views

One rough corner with blobs

Neptune 2, Polyterra PLA at 200/45 °C, Cura 4.11. I'm tuning the settings and one of the test prints is a keycap, all the corners except one print just fine, that problematic one shows heavy blobbing ...
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1 vote
3 answers
256 views

Best way to put a serial number on a 3D print

I want to put in a date and serial number that would be difficult to erase or change. Is it better to print in the number or engrave it in with a laser engraver. Material will be anti-bacterial PLA. ...
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1 answer
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What filaments are appropriate for a case that will contain mains voltage wiring?

I have some relay boards which I want to build into a case for my Pi. The relays are GPIO controlled and will turn on/off things like a 12 volt DC light, and the 240 volt 50 hertz AC printer itself. ...
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1 answer
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What is the best glue for the task of assembling a 3D printed part with other materials?

I have printed some connectors from PLA, in order to make a frame for a "tent" cover for my Ender3 printer Since printing rods would be a long process with likely poor results, I'm using ...
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2 votes
2 answers
143 views

Strange and layer shifts in X axis prints

This problem started technically just before a major move but I had hoped it was a "one off" issue... I started up my trusty Ender 3 today to find it may have actually gotten worse and I'm ...
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1 vote
2 answers
160 views

Bad print bed adhesion of white PLA, no problems with transparent uncolored PLA?

I had problems with print bed adhesion when using white PLA (Arctic White) but no problems when using other colors. So I tried to print three bottom layers with transparent PLA and all other layers ...
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2 answers
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What is the optimum shape to ensure that a base of a model adheres properly to the build plate on a filament printer using PLA?

If you are printing an object that has a base (A statue or trophy, for example), and presuming that you have already optimized every other setting: which shape of base would give you the best and most ...
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2 votes
1 answer
131 views

Pimples/blisters on some curves - cause?

I've noticed my Ender 3 V2 printing odd little bubbles of material on curves. Is this over-extrusion? I'm using Creality PLA at 210 °C with a bed temperature of 60 °C The opposite side of the same ...
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2 votes
1 answer
271 views

I dried my filament because it wouldn't adhere properly but now it adheres a bit too well

I dried my spool of PLA this morning to solve adhesion issues and proceeded to print the model that failed due to the aforementioned issues. But when it was done and I went to remove it from the bed, ...
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0 answers
51 views

How do metal infused filaments work?

I am considering making modifications to my Ender 3 so I can print metal-infused PLA, but I'm somewhat unclear on how it works and how the PLA is supposed to be separated from the metal content in ...
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2 votes
1 answer
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What are the advantages and disadvantages of Eryone's 15% metal PLA compared to other PLA?

I am thinking of using it for a project or two but am still somewhat new to this. So, I was wondering what are the advantages and disadvantages of Eryone's 15% metal PLA and X% metal PLA in general?
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3 votes
2 answers
108 views

Need help printing a quality first layer, but having adhesion and fill issues

I am attempting to print a model that is too tall to print up-right and it has a large flat side that would be my first layer but ultimately would be the side of the object and I'd like it to look ...
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0 answers
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How to print a part of the model using the same structure as a raft?

Using Cura or another slicer if needed, how could I print the part that needs bending using a structure similar to the one used for rafts. In Cura, for reference they look like this: I know this ...
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1 vote
1 answer
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My first 3D print, will my setting work?

I'm planning to print using a public 3D printer (Ultimaker 3) and was wondering if my settings will work. There is a 4 hour time limit. The parts don't need to be strong. I've provided some ...
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0 answers
608 views

How can I correct *second and third layer* elephant foot?

I'm attempting to print this print-in-place bag clip (in the 80 and 100 sizes). Early prints came out well, except that my persistent elephant foot resulted in locking the hinge. Oddly, a few days ...
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3 votes
3 answers
175 views

Thin bead not adhering to itself or bed very well, what am I doing wrong

I'm just learning how to use a 3D printer, I have an Anycubic Mega Zero 2.0. When I start printing the PLA filament doesn't want to adhere very well. I have leveled it out and all of my corners on my ...
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4 votes
3 answers
825 views

Why is my outer wall layer printing with gaps and flaking off on this specific shape?

Printer: Ender 3 Pro - Direct drive, BLTouch, stock magnetic print bed surface Material: PLA - multiple brands Slicer Settings: Layer Height .2 mm Initial Layer Height .1 mm Line Width .4 mm (with .4 ...
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4 votes
2 answers
262 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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5 votes
2 answers
357 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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2 votes
3 answers
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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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1 vote
0 answers
27 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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2 votes
1 answer
212 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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4 votes
2 answers
77 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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5 votes
2 answers
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What is "silk PLA"?

I picked up some no-name "silk" PLA in a multi color pack as part of a project where I needed some additional distinct colors and structural properties didn't matter, but now I'm playing ...
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3 votes
1 answer
343 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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2 votes
3 answers
115 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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0 votes
3 answers
261 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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2 votes
2 answers
219 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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5 votes
4 answers
3k 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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3 votes
1 answer
228 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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