Looking at the first image, it appears that the nozzle is a little too close to the glass build plate. You clearly see that the nozzle scrapes over the glass and filament is deposited on either side of the nozzle. Re-level the bed with a (thicker) piece of paper or with a feeler gauge. Alternatively, increase the height of the nozzle by re-defining the ...
The problem lies in Fusion 360.
If you export using file export as .3mf then the refinement (poly count) is set to low. Thus it creates a low-quality circle.
If you export through the mesh tab, select 32d print and make sure the refinement is high then it exports a nice-looking perfect circle.