Questions tagged [pla]

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

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1answer
9 views

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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2answers
125 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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1answer
34 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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1answer
45 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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1answer
53 views

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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1answer
31 views

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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2answers
710 views

My nozzle on my Ender3 V2 is higher when it is printing than it is when I auto home it

I just got a new Ender3 version two for Christmas and was very excited to use it so I put it together and used the sample filament that came with the printer and everything worked okay for a bit. That ...
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4answers
57k views

What glues for bonding printed PLA to injection-molded plastic?

I will be creating a small tube styled piece to use as a junction between two pieces of plastic. The idea is to reattach the two pieces and provide strength so they don't break apart again. I plan on ...
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2answers
73 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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2answers
50 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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2answers
55 views

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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1answer
62 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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1answer
88 views

Treating PLA (Polylactic acid) plastic to make it biodegradable

I am using PLA for 3D printing, and I know it does not degrade well in the wild. I would like to know if there is a chemical process I could use to treat it at home. Specifically, I am looking for a ...
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5answers
2k 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 ...
2
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1answer
260 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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3answers
2k views

Print gets worse with every layer - Ender 3

First of all, I'm still new to this 3D printing and I've bought myself a second hand Ender 3 with some mods done to it. I've successfully printed with PLA in different colors but after a good first ...
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5answers
8k 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 ...
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2answers
135 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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0answers
36 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 ...
2
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1answer
44 views

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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2answers
41 views

CTC i3 Y-axis thin / no filament deposition

I have this CTC i3 printer; when I print square test prints, as it moves along the Y-axis back to zero (front). It extrudes lines but very thin or none at all. But opposite direction along the Y axis ...
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3answers
105 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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2answers
59 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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1answer
141 views

Over extruding and feeding gear is grinding Ender 3 pro

This issue is completely leaving me lost, my printer extrudes too much and leaves blobs yet the gear will just suddenly start grinding as soon as it begins to fill in the outline of my print. The ...
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3answers
897 views

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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2answers
138 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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2answers
155 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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0answers
41 views

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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1answer
64 views

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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6answers
3k views

Can I mix ABS and PLA when recycling filament?

I'm thinking of recycling some filament from a couple of recently failed prints. I can reuse them in the future for basic prototypes, so I'm not concerned with whatever weird mixture of colors come ...
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0answers
164 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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3answers
189 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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2answers
2k views

What can cause Z height loss in the first few layers?

All my prints come out about 1 mm too short in the Z dimension. So for example a 20 mm cube comes out 19 mm high. A 10 mm cube comes out 9 mm high. The X and Y dimensions are fine. There's a little ...
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2answers
1k views

Why does PETG require slower speed?

PLA has a heat capacity of 1.8-2.1 J/g-K, while PETG 1.1-1.3 J/g-K. This means that each gram of PLA needs more energy to heat up. I assume no "melting latent energy", since we talk about ...
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3answers
40k views

Can you put PLA parts in your car (in the sun)?

I'm in the process of building my own head unit / stereo prototype for a car, which will have a 3D-printed enclosure. My concern is that cars can get quite hot in the sun, and even more so if you ...
2
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1answer
90 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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3answers
456 views

Lower BuildTak adhesion

I'm having a similar issue to this one: I have retrofitted my printer with a BuildTak sticker. I'm printing PLA at 60°C bed temperature - currently using a 0.3 mm nozzle, but I had similar issues with ...
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3answers
1k views

Can I really throw failed PLA prints on compost?

So they say PLA is biodegradable. But I still don't know how much biodegradable. I live in a flat and we have composting trash can in the courtyard. However if I throw PLA in there and it does not ...
4
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2answers
159 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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0answers
26 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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6answers
63k views

What is PLA+? How is it different from PLA?

Question What is PLA+? How is it different than PLA? I'm looking for science, composition, formula, safety concerns (or lack thereof), etc. Background I picked up a roll of PLA+ at Microcenter (...
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5answers
1k views

Glue for attaching PLA pieces to titanium

I'd like to attach a piece I printed out of PLA to a small titanium rod. I've previously used Superglue (cyanoacrylate) to glue PLA pieces to each other with great success, but the problem is that if ...
11
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2answers
16k views

PLA use outdoors?

I have been using PLA filament for two years now and have had good prints. ABS on the other hand has not been so good, so my choice of filament is PLA. I am getting ready to do a sign for the ...
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3answers
12k views

Grease for PLA sprocket

I am attempting to construct model tank tracks with accompanying wheels and sprockets. All parts will be printed in PLA. The tracks will be driven by electric motors. What would be a suitable grease ...
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2answers
74 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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0answers
15 views

What are the characteristics of a specialize PLA that you have used?

What raised this question was someone's claim there is a PLA resistant to absorbing moisture unlike typical PLA filament. PLA seems to be the easiest filament to get a good print and has excellent ...
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3answers
89 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 ...
3
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1answer
150 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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4answers
2k 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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0answers
46 views

Bad layers on prints on Ender 3 Max

I get these lines when printing most parts. I am using eSUN PLA+ at 205 °C (210 °C first layer) nozzle and 85 °C bed temps (it does not really want to stick below that on the stock build platform), ...

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