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Questions tagged [pla]

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

2
votes
1answer
81 views

Cantilever snap-fits print axis

I'm new to 3d printing and need to design and print a case on an Ultimaker S5 using PLA. The case is box like and consist of a top and a bottom part. I was thinking about cantilever snap-fits to join ...
3
votes
1answer
78 views

Monoprice maker select v2 doesn't extrude but is not clogged [closed]

So I have been printing lately, and got a new spool of filament. It will extrude when I pre-heat the nozzle and manually extrude it, however when I start to print, it doesn't extrude any filament. ...
6
votes
3answers
143 views

What causes ripples on part of first layer?

I'm having issues with ripples on the first layer of big flat prints. The initial corner of a big flat print is fine, but then ripples begin to form as shown in the screenshot. I'm just a newbie, so ...
2
votes
2answers
39 views

Inconsistent filament flow on anet a8

My Anet A8 was working and printing great until my hotbed connector snapped and shorted out my motherboard. After replacing the connections to my hotbed and my motherboard I can't print anything ...
1
vote
2answers
93 views

How to remove unwanted filament trails from sharp corners

I'm a 2-week newbie at 3D printing, working on a new Qidi Xpro machine (that is solid and one that I like). So, I do not want to believe that this issue is caused by my printer itself. I'm hoping that ...
3
votes
2answers
48 views

Bowden tube clog

There's PLA filament clogged in my bowden tube, is there a best practice for cleaning it out or do I need to replace the whole tube? Also the couplings are totally stuck :S - so I guess those would ...
3
votes
1answer
82 views

Print speed and settings for printing below 0.1mm resolution on PLA

I recently purchased an Anycubic Kossel Linear Plus delta printer, and I'm interested in trying to print slightly below the 0.1 mm stated lower limit of layer height. I'm not interested in trying to ...
4
votes
2answers
174 views

Why does my part-cooling fan cause stringing?

Really strange observation with my MP Select Mini V2 printing PLA. I've printed a dual-fan shroud so I can have a dedicated part-cooling fan. I've noticed that when I turn it on, the extruder starts ...
7
votes
2answers
170 views

How do I know when filament is getting old, and what things can I do to correct for it?

I've heard I should store filament in sealed container, preferably with a desiccant. But let's say I let a spool get a little old on the printer, or I purchased a filament spool that was old or ...
5
votes
6answers
329 views

Constant under extrusion and filament grinding

I sadly have a big problem since a couple of weeks and I cant fix it myself. For over 20 prints, I had the same problems: At the start, everything goes well but at some point of time, my Creality CR-...
6
votes
2answers
669 views

What glues for PLA?

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 ...
6
votes
3answers
404 views

Serious safety concerns with living in same room as PLA 3D Printer?

I have an Ender 3 which I primarily use for printing with PLA. I haven't branched out to other materials yet. :) I've done some research into PLA fumes and airborne particulates which seemed to ...
5
votes
1answer
98 views

How to eliminate stringing and regulate flow rate?

I have been having a problem with stringing on my 3D printer, so initially I increased retraction distance from 6.5 mm to 8 mm. Then I tried again, with the same issue, so I increased ...
3
votes
1answer
56 views

Baking old PLA spool

Context A while ago I bought a kit for a 3D printer, along with filament etc. however, after some weeks I ran into some mechanical problems and because I had a lot of other things to do at the time I ...
4
votes
1answer
361 views

Enclosure Ventilation

I am building an enclosure for my 3D printer (Anycubic i3 Mega) and I'm wondering about heat and ventilation for my machine. My enclosure is is build from five 50x50x50 cm Plexiglass frames glued ...
4
votes
2answers
167 views

Extrusion stops during print

I changed the filament (PLA) in my Wanhao Duplicator I3+. I ended the first try to print when I saw that the 'lines' were too thin. I re-sliced with a higher temperature (195°C instead of 190°C). Now ...
11
votes
3answers
2k 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 ...
4
votes
2answers
133 views

Uneven wall thickness with test cube

I noticed that one edge (which is also the starting point of the print) is always bigger than the other three. Additionally, the walls do not have the same thickness as well. The wall thickness (...
5
votes
2answers
329 views

Getting bumps/warts on surface, Cura doesn't want to comb?

I have not been able to print smooth and round shapes using Cura 3.3.1 (or earlier) without bumps. I think they are seams? The filament is PLA. Combing is enabled, which I thought makes it so that ...
3
votes
1answer
51 views

Dual PSU with one switch fuse

My home built printer has been having issues running properly. The x/y/z motors will run freely with standard non build position commands but when they are suppose to start a raft layer and they ...
5
votes
2answers
192 views

PLA coating for water irrigation 3D printed parts

I was considering printing some pieces for my irrigation system, like tube connectors and such. I am aware that PLA is hydrophilic so I was wondering with what kind of product I could coat the pieces, ...
3
votes
1answer
198 views

How can I stop the flare out of the bottom layers?

On nearly all of my prints, my first few layers are flared out slightly. I'm using painter's tape for the bed, and the bed temperature is at 60 degrees Celsius while the extruder is at 205 degrees ...
6
votes
5answers
587 views

Prusa i3 PLA fails to stick to first layer on curves

I have been searching around on google and not found any answers to this dilemma. I am using a Prusa I3 printer with PLA, trying to print horseshoes for the company I work for. They are for model ...
6
votes
2answers
212 views

Filament clogging just above feeding tube - Duplicator 6

I have this clogging problem on my 3D printer that I am having a really hard time to solve. I am a hobbiest so in no way am I a professional with regards to 3D printers. I also know that this is a ...
4
votes
2answers
339 views

Weird underextrusion in vase mode?

It's my first time printing in vase mode, and I noticed my printer underextruding badly. The settings have not been changed from default vase mode settings in slicer, and earlier I was printing non-...
5
votes
1answer
649 views

Temperature offset on Wanhao Duplicator i3 Mini

I'm trying to print with PLA on a new Wanhao Duplicator i3 Mini. In regular temperature settings (200-210°C) the printer underextrudes and the extruder motor skips, which led me to suspect low nozzle ...
3
votes
1answer
347 views

Prusa I3 - Burn marks on print

This is an issue that's started happening recently. This is a Prusa I3 using a 1.75mm pla filament The settings for this print are as follows ...
2
votes
1answer
96 views

3D850 stuck in the nozzle

I am trying to use a 3D850 PLA filament which is supposed to work without any issues with any PLA printer. As a printer, I use Dagoma NEVA which is supposed to work with any PLA filament. I can print ...
6
votes
1answer
123 views

3d printer drip problem

I have a problem with my 3d printer. When I am printing, the printer seems to drip. I am very confused because I never saw this before and I do not know what to do. I attach a picture of it. Why ...
4
votes
1answer
595 views

Getting PLA to stick to a cold bed

Right now my heated bed is down and I had no time to try and fix it and I am trying to print something for a friend. I am having the PLA lift around the edges which I have NEVER experienced. The glue ...
3
votes
1answer
123 views

Is it advisable to use additional external fan(s) for printing PLA?

I was wondering if adding (an) extra fan(s) (not connected to the printer, but blowing on the print area) could improve the quality of PLA based prints(printing at 210 C). The printer already has a ...
3
votes
4answers
523 views

Removing pla from extruder

I read that the best way of removing ABS was to let the temperature at the hot end to drop to around 190deg c then a sharp pull. This worked really well. I am trying to print with PLA but no matter ...
5
votes
4answers
87 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 ...
5
votes
2answers
303 views

Filament starts extruding as soon as hotend reaches melting point

I have a homemade 3D printer running on ramps 1.4 When i start a new print and the hotend reaches melting point of PLA, the PLA start coming out of the hotend. This goes on for as long as the ...
4
votes
3answers
1k views

Anet A8 hard to insert filament

I had been printing with ABS and took the advice to alter the fan so I can see the filament when I am loading it into the cold end. It was tricky but doable. I am now trying with PLA and getting it to ...
4
votes
3answers
470 views

My extruder does not reach the set temperature

Anet A8 with Cura. First time use. The extruder temp is set at 190 for PLA but the temp never quite gets that hot, e.g. 189.2. So the printer never prints. The bed temp is fine. Any suggestions on how ...
2
votes
2answers
168 views

Increasing rigidity of curved, long, thin parts

I'm attempting to model and print a globe. The semi-circular arm that holds the globe has an outer diameter of 98mm and inner diameter of 92mm, so the arm is fairly thin. The arm has a small hole on ...
7
votes
1answer
837 views

How can I get PLA or PETG to stick to a glass bed permanently without adhesives?

3D printing gurus, I've read on several forums that people have had issues with printing with PETG or even PLA on glass and it sticks so well to the glass that chunks of glass rip off due to thermal ...
4
votes
2answers
219 views

What is “HDPLA”, and why is it so hard to find out more about it?

Googling 'HDPLA' has so far availed me very little. http://3dinsider.com/what-is-pla/ indicates that /all/ modern PLA is 'high density' compared to 'the early days'. But a fellow at the local ...
4
votes
1answer
121 views

My printer is printing a messy ball. CTC prusa from Ebay

I bought this cheap prusa i3 variation from eBay. I setup everything and now I'm trying to print some gcode file from the SD card. Using PLA. Here is a video of the mess! How can so fix this ...
8
votes
1answer
210 views

Getting started: shell passes not fusing in x/y, and a slanted wavy pattern on vertical walls

I'm trying to find the main reason(s) for the imperfections I'm seeing in printouts from my printer. It is an I3 clone from Folger Tech. I got this printer from a friend who used it to print a larger ...
6
votes
3answers
436 views

Nozzle always “randomly” moves to 0 during print, then resumes

I recently bought an Anet A8 (https://pevly.com/anet-a8-3d-printer-review/). I've managed to get everything up and running, leveled the board, but am now running into a problem. At the start of the ...
3
votes
2answers
130 views

What infill settings and material type do I need?

I’m trying to have this bracket printed, but I don’t know what settings I should use. The project details say 50% for infill, but is there a reason why I wouldn’t get 100% for making it sturdier? I ...
11
votes
2answers
14k views

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

I picked up a roll of PLA+ at Microcenter because it was on clearance. I didn't even notice the "+" until I decided to try that color, and I noticed it on the sticker. It prints well, feels like ABS,...
2
votes
3answers
2k views

How do you assure that you print layers that bond correctly?

I'm fairly new to 3D printing but I'm getting the steam up and I chug out pieces without much hassle. One thing though is that I have the impression that sometimes, parts are easily broken, and I ...
4
votes
2answers
143 views

Printing starts well but then it breaks down, Anet A8

I'm printing a cylindrical piece but at any moment it breaks down. I tried it two times, both have break down in different place. I'm using a 1.75 mm PLA filament in my Anet A8. I'm using Cura 2....
2
votes
2answers
85 views

Double Image Along X Axis

Recently my printer has been creating double images along the X-axis, I just printed a calibration cube after checking all of my rods to make sure nothing was catching and here was my result: It ...
2
votes
1answer
267 views

My Anet A8's filament isn't extruding properly

So after a lot of work I finally got my Anet A8 printing but then disaster struck. It has stopped working again but with a new problem. The first few strokes of printing are fine but then it goes ...
2
votes
1answer
313 views

Could I 3D print an airbrush? [closed]

Could I 3D model and print a working airbrush in PLA?
4
votes
3answers
204 views

Small part bed adhesion

I am trying to print a model that has (at the start of the print) several small parts attached to the bed. Some of these parts have bed contact 2.5mm x 20mm. After a few layers, if there are any ...