P1S Model or Printer setting need changed?

New at printing and can’t not sure where to make the correction to fix the lines on the outside go away. Everything I search for only talks about flat surface issues.

Do I fix this in the model itself or is it a printer setting? TA: for any ideas.

You can use variable layer height to try and tone them down. The only real way of making them very hard to see is to use like a .2 nozzle and a small layer height.

Variable layer height highlighted in yellow and very hard to see. Top toolbar in Studio

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That is stair-stepping, which can be less noticeable, but not eliminated, with thinner layers.

There is a new technique called Z Anti-Aliasing, which has been demonstrated in a modified version of Bambu Studio and which I think will be released soon in OrcaSlicer. With some limitations, Z Anti-Aliasing will make the surface feel smoother, though the layer lines will still be visible.