Hi!
I’m printing in PETG too. Since I tried it the first time I decided to never use PLA again…
My infill looks like the left part as soon the nozzle/heat block gets “older”. I think there are some residues from burnt plastic inside the nozzle.
With a fresh nozzle I can print without any trobles and after a few weeks I do notice some kind of clogging noises when printing the infill @150% width (when I want to get stronger infill in less time) creating these holes/weak infill. Then I have to reduce the print Speed by about 20-25% or choose a reduced flow rate for the infill.
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