ABS 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

ABS

Slicer

PrusaSlicer / OrcaSlicer

Nozzle size

0.4 mm

Nozzle temp

250-260 °C

Bed temp

80-100 °C

Speed

40-60 mm/s

Retraction

5 mm @ 50 mm/s

Notes

Official SUNLU ABS recommend settings including retraction 5 mm / 50 mm/s.

Source: SUNLU · 2026-11-02

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