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My mess with PETG
 
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My mess with PETG  

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Robert Hill
 Robert Hill
(@robert-hill)
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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.

Postato : 12/02/2026 11:37 pm
Walter Layher
 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.

Postato : 13/02/2026 1:00 am
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Diem
 Diem
(@diem)
Illustrious Member
RE: My mess with PETG

https://forum.prusa3d.com/forum/original-prusa-i3-mk3s-mk3-assembly-and-first-prints-troubleshooting/petg-corners-of-prints-bending-up-at-around-the-1-3mm-of-thickness

heerio,

Postato : 13/02/2026 1:09 am
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