Questions tagged [pla]

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

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4
votes
5answers
17k views

Prints falling off the bed towards the end of the print

I have been trying to print an object that is 4 inches tall. About at 3 inches it falls off the bed. I am using tape on the heated bed and right before the print I am wiping the bed with rubbing ...
6
votes
1answer
541 views

Building a pivot linkage for servo steering with 3d printed parts.

This question is more of a mechanical rather than 3d printing, but I am assuming 3d Printing communty have already come accross this issue, therefore this is a good place to ask. I am building a ...
9
votes
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 ...
6
votes
2answers
3k views

Is Tetrahydrofuran viable for dissolving PLA and sticking PLA objects together?

According to Wikipedia, Tetrahydrofuran dissolves PLA. It also apparently dissolves PET. THF is considered a relatively nontoxic solvent, with the median lethal dose (LD50) comparable to that for ...
3
votes
1answer
774 views

What kind of colors should I use to paint my PLA prints?

I'd like to paint my prints, which I printed using white PLA, with some colors. I have no idea what type of paint should stick to PLA well. I need paint that will not be soluble in water and will ...
8
votes
6answers
14k views

3D printing problem: waved walls

The problem When I print with my mElephant 3D printer from Makeblock, the prints come out with waved walls like in the picture below. I am using PLA filament from https://makeblock.lt What I tried ...
4
votes
4answers
4k views

3D prints keep suffering from warping

I have a Prusa i3 made by Geeetech. My 3D prints keep suffering from warping when printing with PLA. Whenever I print something with a base at about 10 cm x 10 cm, at least one corner of the print ...
2
votes
1answer
325 views

Will my Duplicator i3 be able to print this hole in the vertical wall without infill?

Will my Duplicator i3 be able to print this hole in the vertical wall without infill? The wall is 7mm the diameter of the hole is 24mm, the shell thickness is 0.8mm.
12
votes
4answers
12k views

Is PLA filament conductive?

I am planing on printing something that will make contact with PCB boards. The print will be most likely to be in PLA. I don't want to fry the PCB board so I want to know if 3D printed PLA objects are ...
5
votes
2answers
1k views

Bed design for magnetic easy release when printing PLA

I print on a glass bed covered with BuildTak. Prints stick well, release is difficult. They sell a mod, self adhesive magnetic sheet that holds a steel plate which in turn you put the BuildTak on ...
5
votes
3answers
645 views

How to unclog a clogged extruder?

I have a Wanhao Duplicator i3 v2 (A.K.A. Maker Select, Cocoon Create). My extruder got clogged: I noticed that it wasn't extruding, so I stopped my print, removed the fan, heatsink and the extruder ...
3
votes
1answer
1k views

Is a heated bed necessary if printing with PLA? [duplicate]

I'm looking at getting this printer, the da Vinci 1.0w 3D Printer, very soon as my first printer. Since this is an enclosed printer, from what I can tell from the pictures, and given that it is a PLA ...
1
vote
1answer
356 views

Can the da Vinci Jr 1.0 print in 100 microns, if so how?

I was wondering if the da Vinci Jr. 1.0 can print in 100 μm layer height. If so, how could I do this?
9
votes
2answers
2k views

First layer overlap on one side

When printing the first layer, the infill overlaps on just one side of my print. Thereupon there's a rough, and a lot higher, surface on the first few millimeters after the wall. Printer: Arduino ...
10
votes
11answers
55k views

PLA and bed heating?

I've read different things about PLA and heat-bed. Some say it is not needed, others recommend 60-70°C, but not for the first layers. For larger objects I often have the problem that the object does ...
6
votes
1answer
477 views

Recommended settings for ColorFabb Copperfill Filaments on a 0.25 mm Nozzle?

I switched out my 0.4 mm Ultimaker 2+ Nozzle the other day for the 0.25 mm and started using a ColorFabb Copperfill 2.85 mm filament. I am having some issues with it clogging and sticking to the bed ...
8
votes
1answer
406 views

What makes a good PLA filament?

The quality of the filament is frequently mentioned either as the source of an issue but also as the solution to a problem. I know that the way you use,store and protect your filament will greatly ...
8
votes
3answers
485 views

Weird bumps cylindrical hole

Not quite sure what's happening here. I printed it as a single ball and had this effect. I thought it might be a cooling issue so I printed 4 at once but the issue still occurred. If I size the ball ...
11
votes
2answers
15k 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 ...
9
votes
1answer
1k views

Do I need a heated bed for printing PLA in an enclosed printer?

I am planning on building a large enclosed (Cartesian XY-Head) 3d printer. I want to keep the inital build time minimal and it is very likely I would need to build the ~50x50cm heatbed from scratch, ...
5
votes
1answer
21k views

is PLA gasoline, diesel or chemical resistant?

can PLA be used to print out containers or other parts that are in direct contact with gasoline, diesel or other hard chemical substances? Will it start degrading when in contact with said chemicals? ...
7
votes
2answers
428 views

Poor adhesion only for first couple of inches

I have a QIDI Tech 1. It has a heated bed, and a cooling fan attachment. Whenever I print without a raft, the first inch or two of material laid down does not adhere to the bed, but the rest of the ...
9
votes
2answers
927 views

Prusa i3 hotend not getting to the temperature that I want (180 to 230 celsius)

I recently finished building my first printer. The only problem that I'm having is that the hotend is not getting hot enough to start printing with PLA (180 to 230 degrees celsius), the hotend getting ...
6
votes
1answer
1k views

How to create attachable/detachable printed parts

I am making a part that needs to come apart, so I don't want to use glue or similar adhesives. I saw an article about printing snap-fit pieces, but it seems like you would need a lot of expertise to ...
8
votes
2answers
2k views

M3D Micro printer stops extruding but is not clogged

I have an M3D Micro 3D printer that printed fine for a couple of weeks and then was plagued with issues afterward. I've done the fixes from the forum to get proper heating and cooling of the nozzle (I'...
6
votes
2answers
3k views

How to debond cyanoacrylate glue from pla

I have used cyanoacrylate glue aka superglue to bond PLA. I have created several electronics enclosures. (Definitely the most time-consuming part of the project.) Now my question is which debonder/...
11
votes
5answers
7k views

Prints are now sticking too well to the bed. What to do?

I'm a beginner. I've a Printrbot Play with a heated bed add-on. I'm using it exclusively with PLA. It worked great initially, but then I took the nozzle out and put it back in, and the Z calibration ...
7
votes
4answers
3k views

Can I repair my microwave with a PLA part?

The turntable support part in my microwave has broken. It is a three armed part, with small wheels at the end of each arm. I'm confident I could print a replacement, and reuse the existing wheels (...
14
votes
5answers
12k views

Using dollar-store picture glass for print bed on top of original heated aluminum bed?

I'm having a really hard time printing on my aluminum heated bed... Cleaning it just results in it being scratched (trying to scrape dried hairspray/glue/etc off) and I don't think it is particularly ...
8
votes
2answers
521 views

Irregular 3D printed part

I tried printing from an STL file on the QIDI TECHNOLOGY 3DP-QDA16-01 Dual Extruder Desktop 3D Printer QIDI TECH I. They recommend using the MakerBot software with the Replicator(Dual) profile. The 3D ...
12
votes
1answer
8k views

Does the layer thickness have any effect of the strength of the 3D printed object?

Is a 100 micron layer thickness object stronger than 300 micron layer thickness 3D printed object? Are there any rules to follow? Filament type - PLA
6
votes
2answers
13k views

What are the costs per meter of filament for PLA, ABS and PET?

My Craftbot Plus Craftware slicer estimates cost per job based on filament prices I add as parameters. What costs per meter would you use? I created spreadsheets to calculate this for 1.75mm ...
5
votes
4answers
963 views

First Layer problems?

I am using the E3D v6 hotend with the titan extruder. Everytime I go to do a test print, just enough stringy filament oozes comes out of the hotend "right before" it lays down the first layer. I have ...
19
votes
5answers
10k views

Can aged PLA be refurbished?

Inspired by another question and due to the fact that some of my filament will face the same problem when I will use them again, I wanted to know if there are proven recipies to get rid of water that ...
9
votes
2answers
22k views

Any fix for PLA prints getting more brittle over time?

I've been printing small quantities from a PLA filament spool on a Craftbot printer for about two months now. Recently the printed objects have been coming out very brittle. Some structures that ...
4
votes
3answers
3k views

Why is my print getting messed up mid-print?

I am using Slic3r to generate the GCode for my Marlin-based printer. For some reason with increasing height my print starts to get messed up. On another part it starts to act like this when there are ...
20
votes
4answers
13k views

What to do with failed/unwanted 3D prints?

I am planning on getting a 3D printer soon and I was just wondering, what do you do with 3D prints that either failed or were prototypes that you no longer want? I tried looking online but the closest ...
6
votes
1answer
12k views

Should I consider health impact of ABS or PLA when printing cookie cutter?

Should I consider health impact of ABS or PLA when printing cookie cutter similar to image below? How safe it is to use ABS or PLA for kitchenware in general?
11
votes
3answers
11k 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 ...
2
votes
1answer
508 views

3D Printer Stringing after nth layer

Quick Question. My Printer is the CTC clone of the Makerbot Replicator Dual. For my past few prints after nth layer the print just starts to go stringy. Here is an ...
5
votes
3answers
7k views

How to remove a PLA print stuck to a BuildTak sheet

BuildTak is great because the printed plastic really sticks to it, it pretty much solved all the problems I had with prints detaching from the buildplate during printing. However, it does sometimes ...
5
votes
3answers
2k views

Glue sticks for print bed

I would like to get a green tombow PITS adhesive stick. On Rakuten, it costs \$1 (USD). On my 3d printer's (XYZ) retailer's site, it costs \$20 (USD). Due to the costs and the fact that Rakuten does ...
5
votes
4answers
4k views

Hatchbox Silver PLA settings?

I have a RepRap Prusa i2. I have done the majority of my printing with clear PLA that I got on the cheap from eBay. It works just fine. I bought a roll of Hatchbox Silver PLA (1.75 mm) from ...
10
votes
3answers
8k views

Why does my PLA filament form a spiral shape and clog my extruder?

I'm using brand new PLA filament and am getting frequent clogs in my extruder. I've had this problem with 2 different filaments from 2 different vendors. It will be print just fine, then clog up. ...
5
votes
1answer
152 views

What does a "3 h5" mean in reference to the axle of a motor?

Sorry if this isn't the right place to ask, but it seemed like the most relevant stackexchange. I want to print a connection from a motor to an omniwheel, the axle of the wheel is listed as 8mm, but ...
3
votes
1answer
503 views

Settings to change when upgrading from Smart Extruder to Smart Extruder+

I am optimizing a collection of slicing profiles and in the process of upgrading some profiles from the classic Makerbot Smart Extruder to the new Smart Extruder+. What are the parameters that should ...
17
votes
6answers
10k views

How to remove white marks from PLA

When you cut or break a PLA model (for example to remove support) it often leaves an ugly while mark where the removed piece was connected. Sanding also tend to leave dull white scratches on the ...
9
votes
2answers
4k views

Practical concerns smoothing PLA print with chloroform vapours

One way to give PLA prints a smooth finish is treatment with chloroform vapours (or other solvents, as mentioned in this answer). This method is even featured on Ultimaker website. I would like to try ...
2
votes
1answer
433 views

What kind of filter do I need for the enclosure of a 3d printer? [duplicate]

I've heard alot about the need for ventilation when using 3D Printers lately. Is there any special sort of filter that would prevent the toxic gases from leaking out of the printer while it's ...
2
votes
0answers
79 views

Do you provide ventillation for your 3D printer? [closed]

The university of Austin published a study saying that 3D printers emit toxic chemical vapors into the air when printing. They specifically point out that PLA vapors are shown as possible links to ...