I know this has to do with Anti-alias but as far as I can see , Paint.net only has this option as On or Off.
I would like to be able to adjust the aggressive of smoothing quality. This would allow me to draw very smooth curve with minimal effort using a mouse.
Gimp 2 has this option Smooth stroke I really like it but too bad, gimp 2 is slow to load and is not as lean as Paint.net. I suppose it should be something like a setting, not an effect that applies after the curves have been drawn.
Here is to demonstrate the effect : It is smoother, I drew it by a mouse