Questions tagged [petg]

Use this tag for questions about PETG.

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votes
3answers
66 views

What is the best technique to improve removing PETG from the print bed?

What is the best technique to improve removing PETG from the print bed? PETG is known for sticking well to the bed; so well that it does not need a heated bed. If it weren’t for printing other ...
1
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1answer
75 views

Problem printing bigger models in the Ender 5

In all the bigger prints I print on my Ender 5 with PETG I have problems with warping and raft detachment during printing. I have a glass bed and I'm using Ultimaker Cura 4.6.1 standard printing ...
1
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2answers
48 views

MINTEMP BED Fixed error when running consecutive print

I am using "Pretty PETG" along with PrusaSlicer's consecutive print mode. What I am noticing is that upon finishing the first print, the printer hits ...
7
votes
3answers
9k views

PETG layer adhesion

I've been playing around with PETG for the first time, and everything seemingly worked right just from the start - clean prints, no stringing, no bed adhesion problems, no warping or dimensional ...
1
vote
3answers
9k views

PETG nozzle clearance and extrusion multiplier

I've started printing PETG recently and I'm happy with results so far, awesome strength and good looking (except for stringing). But I've noticed that PETG prints better with more distance nozzle-...
4
votes
2answers
360 views

PETG grinding with direct drive extruder

I've been wrestling with a filament grinding problem for a few weeks now and I'm stuck. The problem manifests itself as starting a print alright then extrusion stops while the printer keeps moving. ...
3
votes
2answers
286 views

Can PETG be used as support material for PLA?

Printing supports, either complete, or partially from PVA have not always resulted in successful prints according to my experience with the filament (used in a dual extruder Ultimaker 3 extended). But,...
2
votes
1answer
254 views

PETG warping - adhesion or temperature too high?

Ender3 v2, SIENOC PETG which advises temperature of 230-250 °C on the box. I'm printing on top of cleaned blue tape, using a temperature of 230 °C for the nozzle and 80 °C for the bed. I've had all ...
14
votes
5answers
9k 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 ...
6
votes
3answers
2k views

Messy top layer with PETG filament?

I'm having issues getting PETG to print nicely. I have encountered pretty much every issue because when I fix one thing another issue pops up. I see people saying that you should "just copy your ...
3
votes
2answers
665 views

Visible lines along Y-axis on Ender 3 Pro

I have a model that's placed on the bed exactly like on this picture: I have constant quality degradation as the bed moves down to print in the upper left corner (1). Everything is fine on the X (2)-(...
1
vote
1answer
75 views

Upgrade hot-end to achieve higher temps (e.g. for PETG)

I'm struggling to get my printer to the temps required for modified PETG (the filament I have is Fillamentum CPE and recommends 255-275 °C), I currently can only reach 245/250 °C even if my target ...
1
vote
2answers
110 views

How can I add an offset to the first layer to increase clearance?

My printer is calibrated for a certain clearance from the heated bed, which is chosen based on PLA. I would like to try to increase it for the first layer for PETG, so that adhesion is reduced. The ...
2
votes
2answers
360 views

How to solve burnt blobs on Prusa MK3S (PETG)?

As stated above, I am trying to solve a problem I've had for a long time. Unfortunately, this has recently intensified to the point where it causes layer splitting/detaching from each other. I have ...
1
vote
1answer
51 views

PET-G grid print problem

My supports 'grid' prints with empty spaces (after stoping extraction over perpendicular lines) (BTW. I have checked the direction when it appears and it has nothing to do with coastig) (the end ...
5
votes
6answers
7k views

How to work with PETG? Settings, caveats, etc

We've been doing some printing with PETG filament on Ender 3 Pro printer and the result were awful: Here are settings we used: Extruder: 240 °C Bed: ~70 °C (± 10 °C)...
3
votes
1answer
232 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 plastics. ...
3
votes
3answers
227 views

Why could my opaque PETG be printing “transparent” in certain places?

I'm printing with opaque grey PETG on glass. The intention is to produce a house number plate, so a shiny, production quality finish on the bottom. For this reason, extruding at 245 °C with a bed ...
1
vote
2answers
845 views

What glues to use for PETG?

In analogy to: "What glues for PLA?", what are the best glues to use for PETG? I mostly print in PETG and have occasional failed prints which I usually reprint. But what if I'd like to repair a print ...
0
votes
3answers
1k views

New PETG spool from eSUN is making popping sound while extruding

I just bought new eSUN PETg filament. When I started to extrude it, I heard popping sound same as moisture boiling out of it. I don't expect new eSUN vaccum sealed filament having moisture content. Is ...
1
vote
1answer
95 views

Printing Filatech PETG with HyperCube E3Dv6 Clone fails after 3 smooth layers

Recently I got a PETG filament from Filatech to print with my HyperCube printer with E3Dv6 clone Hotend. First 3 layers for every print are pretty fine but 4th layer doesn't stick and my prints fail ...
2
votes
2answers
7k 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 ...
4
votes
1answer
925 views

Thermal runaway with specific prints

I have been experimenting with PETG on my CR-10 upgraded with an E3D all-metal hot end and Marlin firmware on the controller. I am printing with 0.8 mm nozzle at 250 °C and an 85 &...
2
votes
1answer
268 views

How to level bed after applying glue stick for bed adhesion

I'm pretty new to printing PETG, and my Creality Ender 3 now has a glass print bed. I've done some research, and it looks like a pretty bad idea to try and print PETG on a pure glass surface for fear ...
4
votes
1answer
1k views

Bumpy first layer with PETG

When I print with PLA, I get a perfect first layer. However, when I print with PETG, the first layer looks like this: I've read all the info that suggests reducing the temp, speed, and increasing ...
4
votes
2answers
715 views

Under extrusion… sometimes

You can see small gaps in the print which looks like under extrusion (see image below). What is the reason for that? I've tried smaller retracting distances. Temperature looks stable. Print settings:...
3
votes
0answers
824 views

Horizontal defects when linear_advance enabled?

What could cause that? When linear_advance (v1.5) is "off" (M900 K0) - everything is uniform and smooth, only corners are protruding as expected. When it is "on"...
4
votes
2answers
4k views

Can I dry PETG filament under sun?

At the moment the outside surface temperature is around 30 °C. Can I put my PETG spools outside with a fan in order to dry them cheaply?
3
votes
2answers
257 views

Does acid dissolve PETG 3D prints?

I want to print a lemon squeezer and I would prefer to use PET-G. I don't know if it is safe to use, because lemons contain lots of citric acid. Does it dissolve PETG? I haven't found an answer ...
3
votes
1answer
251 views

PET-G under-extrusion after changing the nozzle to a 1.2 mm d. one (Prusa i3 mk3s and PrusaSlicer v2.0)

PET-G is the main filament I use. I can achieve high quality of my prints with my Prusa i3 mk3s printer. Recently however, I've recently changed my nozzle from the default 0.4mm to the 1.2mm. I ...
3
votes
1answer
775 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
1answer
278 views

Printing with PETG, printer says it's out of filament when it clearly is not

Background: I have an Alfawise U20 (CR10 clone) and am still somewhat of a noob, though I've been learning as much as quickly as time will allow. The Alfawise U20 has "out-of-filament" detection, ...
4
votes
2answers
1k views

Prusa i3 MK3S 3D printer PETG printing problems

I am using a new Prusa i3 MK3S 3D printer kit. I print lots of things using PLA and PETG. After a week of great performance I noticed that when printing some objects with PETG filament I often ...
4
votes
1answer
928 views

PETG on Ender 3

I've been trying to print some eSun PETG on my Ender 3 with some questionable results. I am experiencing severe stringing. Attached is a photo of my first layer. My settings are: 250 °C ...
3
votes
2answers
12k views

Is PETG filament food safe?

I've been trying to find a 3D printer filament which would not release any chemicals if in contact with heated water for a substantial amount of time. So far, I've easily ruled out both PLA and ABS, ...
6
votes
1answer
4k views

Question about retraction distance and stringing/print quality with PETG

I've tried printing the Basic Stringing Test on my CR-10S using PETG (250 °C nozzle, 80 °C bed) with different retraction distances leaving all the rest unchanged. In the image below you ...
5
votes
2answers
3k views

PETG filament doesn't stick reliably to fake Buildtak surface

I just got my first spool of PETG and tried to calibrate an Ultimaker Cura profile for it on my Ender 3 today with limited success. I've had severe issues with the filament not sticking to the build ...
5
votes
1answer
1k views

Does PETG fade in the sun?

I'm looking at scanning in a statue on my pond and making a print of it. I'm wondering if PETG will fade and how fast. I'm thinking of using white or maybe a bone color if possible. If PETG fades ...
9
votes
3answers
6k views

PETG Collecting on the Extruder

I have recently bought a spool of eSun PETG. So far I really like the filament. My only complaint is, I get lumps of charred filament deposited on my object. The slicer I used is Craft Ware and I have ...
4
votes
1answer
123 views

QIDITECH Dual Extruder and PETG

I have just received my QIDITECH printer, I've have ABS, PLA and two reals of PETG. I printed a sample using the clear PETG and this worked find, I didn't have to change any of the default settings. ...