Hi
I was tuning my printer and got to know that high temperature with fan work better. also then i realsied i can go faster. but in test prints when i going faster.
It happens more on 1 side. the side where there is no fan.the side with fan have none to minimal of this artifact. i dont want to attach 2 fans. happen with fast speeds.
the pla i got is not of great quality.
speed
40 perimeter. 70 infill
retraction 1,1 at 30mm/s direct drive makerbot type
Please ask if need more info