PETG on Bambu Lab X1C
communityTest on scrap first. Settings are starting points from the linked source. Dry hygroscopic filaments before printing.
Printer
Bambu Lab X1C
Filament brand
Overture / Prusament / PolyLite / eSun
Filament type
PETG
Slicer
Bambu Studio
Nozzle size
0.4 mm
Nozzle temp
265 °C (first layer 255 °C)
Bed temp
75–80 °C textured plate
Speed
keep features under 200 mm/s; outer wall and top surface 100–150 mm/s
Cooling
part fan min 0 / max 20%; aux fan 90%; chamber fan max (M106 P3 S255 in filament start G-code)
Notes
Rough values the poster uses for every PETG tested (Overture, Prusament, PolyLite, eSun) to fix blobs, curling strings and poor overhangs. Print with the door and lid open in a cool room. Max volumetric over 20 mm³/s measured for Prusament and Overture.
Source: djeZo888, Bambu Lab Community Forum · 2023