CR-PETG on Creality K2 Plus
communityTest on scrap first. Settings are starting points from the linked source. Dry hygroscopic filaments before printing.
Printer
Creality K2 Plus
Filament brand
Creality
Filament type
CR-PETG
Slicer
Creality Print 6.0.5
Nozzle size
0.4 mm
Speed
max volumetric 16 mm³/s (stock 18; 10 helped but still jammed once)
Layer height
first layer 0.24 mm (instead of 0.2 mm)
Notes
Forum poster found stock CR-PETG (18 mm³/s in Creality Print 6.0.5.1840) clogged the nozzle by layer 2 on large-base prints. Raising first layer height to 0.24 mm fixed the first layer and stopped jams, allowing max volumetric back up to 16 mm³/s.
Source: Creality Community Forum · 2025