PETG on Prusa MK4S / Core One

official

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

Printer

Prusa MK4S / Core One

Filament brand

Eolas Prints

Filament type

PETG

Slicer

PrusaSlicer

Nozzle size

0.4 mm

Nozzle temp

235 / 240 °C (first/other)

Bed temp

85 / 85–90 °C

Notes

Built-in PrusaSlicer 2.9.6 Eolas Prints profile (Configuration Wizard → Filaments → Eolas Prints). Max flow 12 mm³/s.

Source: Eolas Prints · 2026-10-07

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