I’m printing on a Creality K2 Plus using a 0.6 mm tungsten carbide nozzle and Sunlu PETG in Orca Slicer. I’ve already run temperature and retraction calibration tests, and the Sunlu PETG presets seem to be spot‑on based on those results. I’ve also dried the filament for an entire day in my Creality dryer.
Despite all that, I’m still getting noticeable spider‑webbing/stringing when I start a print.
Has anyone run into this with PETG on the K2 Plus, or have suggestions on what else to adjust?
Seemed to have fixed it by reducing the nozzle temp to 238°C & increasing the retraction length from 0.5 mm to 0.8 mm.
Now I’m going to focus on that massive seam. Going to play around with “scarf joint seams” and reducing the seam gap from 10% to 5%.
I guess you mean 238°C?
Be careful with lowering the temperature, at some point you lose a lot of layer adhesion. Often stringing with PETG is caused by moist filament (but you said you driedt it) and by slight over extrusion (the flow calibration by the K2 Plus often doesn’t get it right).
Sorry, that’s correct 238°C. It seems solid and within the filament manufacturers range. I’m printing the rest of the model and with the seam scarfing and gap reduction it looks absolutely flawless. I’ll post photos in 8 hrs. Kind of disappointed that orca is performing better than creality print. You’d think a manufacturer would tailer their version of orca to their specific printers.
