GregValiant 1,454
Trying to help with this from far away isn't easy. If you could save a 3mf project file (File | Save Project) and post it here we'd be able to see your settings.
Even knocking off the 8° you are still at 227° (for comparison I print PETG at 225° and PLA at 205°). Have you run auto-tune on your hot end? The P.I.D. values are likely off if you changed thermistors and didn't tune for the new one.
I think there is more than one thing going on but the main problem is the heat. If you know it's running 8° cooler than the reading then you might place your set point at 210 - 220. At 235° the PLA is running out of the nozzle like water.
Post the 3mf project file. You know that one thing I will suggest is going to a .4 nozzle. Trying to pinstripe something with a 4" house brush isn't easy.
Edited by GregValiant
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Mr_Onion 0
I feel like this is mostly a problem with bed adhesion. If the bed is as level and squared with the printer’s axis as possible, then I can only think of one way to improve adhesion: adhesive tape.
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