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Angelo
(@angelo)
Member
PETG bad surface quality

Hi everyone!

I really can't understand why my Prusa Mini didn't have problem printing with PETG at first... but then it suddenly started to experience some difficulties with the external surface appearance of the printed objects.

I've always print with good quality PETG (the one in the pictures is Fiberlogy PETG in black and grey)

PLA, on the other hand, it seems to be printed very well and I can't see any issue. So what can be the source of the problem?

Here some picture to show what I mean.

First print with grey PETG

Now it prints in this way...

What it could be in your experience? The problem is the same in X-Y axis..

I'm getting lost and out of possible ideas about the causes...

Angelo Zappalà

Posted : 30/01/2022 10:02 am
Diem
 Diem
(@diem)
Illustrious Member

Hsve you tried drying your filament?

Cheerio,

Posted : 30/01/2022 1:54 pm
Angelo
(@angelo)
Member
Topic starter answered:
RE: PETG bad surface quality

The fact is that the spool is new… I’ve opened it just some days ago..(I also have a spool dryer)

Angelo Zappalà

Posted : 31/01/2022 8:28 am
Thejiral
(@thejiral)
Noble Member
RE: PETG bad surface quality

Have you tried printing the initial object again, which worked fine, using the same g-code? Preferably with the same grey filament? Does it print ugly now too?

Mk3s MMU2s, Voron 0.1, Voron 2.4

Posted : 31/01/2022 8:35 am
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