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Prusa XL "Fish Scaling" Walls Issue
I'm using PLA on a Prusa XL and have been having this issue, I've seen it called "fish scaling". Its a dual head machine and both heads are having this issue with tool head one having a more exaggerated effect.
This is gcode straight from Prusa that acts as a belt tensioning tool, so the bed and nozzle temps, and retraction settings are completely normal. I've also printed it on another XL we have with no issues, so the settings should all be completely fine.
Does anyone have ideas about hardware problems that could cause this?
Posted : 09/01/2026 5:58 pm