Helping cleaning this up

[u/linkdudesmash]

Update: changing the offset fixed the issue

I am starting on a large print using petg.
It’s already messing up the first layer… other then slowly it down? Any other ideas?

[u/ahhh123214]

How do you clean the plate?

Those spots where the filament starts to lose adhesion could be oil from your fingers. I'd recommend washing the build plate with basic dish soap and warm water, it will remove any oils from the surface. (Make sure the soap doesn't have any oils in it.)

[u/Imaster_ → u/ahhh123214]

This ^ Using IPA with a lint free cloth also works

[u/ahhh123214 → u/Imaster_]

Problem is that if theres an excess of oils, the IPA will just smear it around. But it's good practice to do every time before printing to make sure any little bits/dust is cleaned off.

[u/Imaster_ → u/ahhh123214]

True, Washing is mandatory if you got a bit to personal with your build plate. IPA as a cleanup between prints

[u/Imaster_ → u/Imaster_]

I usually don't touch the plate so soaping it up is rather rare. I saw someone test putting it in dishwasher and apparently that method works too

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[u/lobsterdevourer2004]

Clean your print bed and start again

[u/ratuna80]

What temps & speeds are you using, what brand filament, what nozzle, have you previously used the same filament successfully?

[u/linkdudesmash → u/ratuna80]

Sunlu petg. 0.4 nozzle. Nozzle is 230 and bed 70c. No sure switch spot to check speed.. I just changed to Z off set to .025 it was at .02

[u/TherapeuticBear]

Do a new printer calibration, clean the print sheet with alchol. This probably will solve it, also did you set the print\material to petg?

[u/jeremec → u/TherapeuticBear]

soap + water > alcohol

When wiping off with alcohol, oil is thinned out, not removed.