PLA Classic 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

PLA Classic

Slicer

PrusaSlicer / OrcaSlicer

Nozzle size

0.4 mm

Nozzle temp

200-260 °C

Bed temp

50-60 °C

Speed

≤450 mm/s

Retraction

0.8-1.2 mm @ 30-40 mm/s

Notes

Official SUNLU PLA Classic product parameters: nozzle 200-260°C / ≤450 mm/s; bed 50-60°C; retraction 0.8-1.2 mm @ 30-40 mm/s.

Source: SUNLU · 2026-11-02

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