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I still have no idea what I'm doing really. Just too determined to give up I guess, and it's been such fun. Anyway I made a guitar pedal light switch cover. Still a lot of work to do, and every time I look at FreeCAD the wrong way, the model breaks, but it's been a fun experience nonetheless.
On a side note, anybody have any idea why the face of the model is rough textured, while the foot switch on the lower half is flawless?
Did you turn layer ironing / smoothing on for the last layer not all top layers? Aside from smoothing modern slicers can also use more attractive patterns for top layers than zig zag such as hilbert.
It also looks like you might have underflow issues so maybe check your e-step setting on your printer to ensure you're extruding proper amount of filament. There are articles that explain the process but you basically mark a reference point on the filament, e.g. 10cm away from where it enters the extruder, tell the printer to extrude 10cm, mark and measure how far away the mark is from where it's meant to be. So if the filament moves 7cm when it should have 10cm then your e-steps need to be multiplied by 10/7.