The model shows ringing issue.
The outer wall printing speed is too low. It is recommended not to be lower than 120mm/s
Update to the latest version of slicing software, click to “edit preset”.
Select “Cooling” - check "Don't slow down outer walls", save and slice the file again for printing. If you have already enabled “Don't slow down outer walls”, you can skip this step.
If you experience abnormal printing after checking the “Don't slow down for outer walls” option, please contact our official after-sales support team (cs@creality.com). When contacting us, please provide:
This will allow for comparison. Additionally, please provide: