PETG-CF on Creality K1 Max

community

Test on scrap first. Settings are starting points from the linked source. Dry hygroscopic filaments before printing.

Printer

Creality K1 Max

Filament brand

eSun

Filament type

PETG-CF

Slicer

OrcaSlicer

Nozzle size

0.4 mm PCD diamond nozzle

Nozzle temp

255 °C first layer (range 240–265)

Bed temp

85 °C textured plate first layer

Chamber / enclosure

45 °C

Speed

outer wall 54, inner wall 80, infill 107, first layer 20 mm/s; max volumetric 9 mm³/s; travel 300 mm/s

Layer height

0.20 mm (first 0.24 mm)

Retraction

0.8 mm @ 30 mm/s, z-hop 0.2 mm, wipe on

Cooling

fan 0–40%, overhang 30%

Notes

Poster’s working profile after failed overnight prints: flow ratio 1.05, pressure advance 0.06, 4 walls, 40% gyroid infill, outer wall accel 1000, 8 mm brim; inherits Creality Generic PETG. Top surface still not perfectly clean.

Source: Rassam_Farddoust, Creality Community Forum · 2025-08-28

Summarized from the linked source. Always test on scrap before production runs.