Questions tagged [petg]

Use this tag for questions about PETG.

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9
votes
3answers
8k 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 ...
14
votes
5answers
14k 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
1answer
5k 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 ...
3
votes
2answers
598 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 ...
3
votes
3answers
2k 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 ...
8
votes
3answers
14k 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 ...
5
votes
2answers
4k 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 ...
4
votes
1answer
3k 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 ...
3
votes
2answers
701 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,...
1
vote
1answer
43 views

PETG and Clear Aligner?

There is a material called PETG. In addition, there is a medical solution called Clear Aligner to fix perplexed teeth. Can I use a 3D printer using PETG and make transparent apparatus? The program I ...