How to mitigate those cross-streaks and waffle infill pattern?

Pretty simple. How do I mitigate or completely stop the cross body streaks which I think are caused when the extruder moves around the body; extra protruding filament gets drug across the body, and how do I cover up the waffle infill pattern? A thicker top layer would be logical but I don’t know how to configure my slicer to do that.

Details:

Cura Eryone Thinker SE PETG 235 80 Nozzle and bed, respectively 100mm/s

submitted by /u/DANKer_stoinks
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