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My mess with PETG  

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Robert Hill
(@robert-hill)
Active Member
My mess with PETG

Am using Prusament PETG (brand new spool right out of the box).  As the layers were completed, the corners started to curl up just a bit.  Then it got very ugly, and now I have a mess on the nozzle and on the bed.  This is on a Prusa, satin sheet with no glue.

This is with the default settings on the Prusa slicer.

Posted : 12/02/2026 11:37 pm
Walter Layher
(@walter-layher)
Noble Member
RE: My mess with PETG

Prusament PETG (brand new spool right out of the box) does not automatically mean that the filament is dry enough for printing. You should first put it into a filament dryer for a few hours at 60-ish °C. This is a common problem for PETG.

Posted : 13/02/2026 1:00 am
3 people liked
Diem
 Diem
(@diem)
Illustrious Member
jan.d.slay
(@jan-d-slay)
Reputable Member
RE: My mess with PETG

Prusament PETG (brand new spool right out of the box) does not automatically mean that the filament is dry enough for printing. You should first put it into a filament dryer for a few hours at 60-ish °C. This is a common problem for PETG.

That's right!

Mods for Core One: Core One HT 450 degrees, Comfortable display , Very fast print start and Reducing noises
Mods for Prusa XL: Very fast print start

Posted : 13/02/2026 2:43 pm
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