PETG on Prusa MK4 / Core One family

official

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

Printer

Prusa MK4 / Core One family

Filament brand

SUNLU

Filament type

PETG

Slicer

PrusaSlicer / OrcaSlicer

Nozzle size

0.4 mm

Nozzle temp

220-230 °C

Bed temp

60-70 °C

Speed

40-60 mm/s

Notes

Official SUNLU PETG recommend settings from large-spool product page (speed listed up to 40-600 mm/s; start conservative).

Source: SUNLU · 2026-11-02

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