Hello everyone, I’m getting those artifacts on my top surfaces, sometimes they are there sometimes not. Nozzle is new, x rods are new, Ptfe tube are new, extruded is clean and doesn’t seem damage (it has 1300h on it). Supports tell me it’s over extrusion but it can’t be because I have on all the tiles for the flow calibration also I have the same tiles for the same material printed in different times and one have the lines on all of it the others don’t have in any. Any suggestions?