I was wondering if you had looked at the Arachne slicing algorithm which is in Cura 5 and the alpha version of Prusa Slicer 2.5.0. It works much better on gear teeth than the old slicing algorithm. You get a lot fewer of the little tiny lines in the middle of teeth which you worked round by using fancy gears.
To see this working, head to your live site.
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There is an interesting followup to this from Thomas Sanladerer, where he suggests that the Arachne algorithm enables you to get the same precision with a 0.6mm nozzle that you would previously have needed a 0.4mm nozzle for, with a reduction in print times of typically 30%. I've done a few tests (I have a Revo 6), and my experience so far matches his.
Yes, I just noticed a video describing the feature in PrusaSlicer 2.5. It looks like a huge improvement. I typically go back and forth between CAD and the slicer to eliminate most of the tiny gap fill bits. The Arachne algorithm might eliminate a few steps. And it should make the gears stronger. I have had a few printed gears where the spokes had a slight separation down the center. The Arachne algorithm should reduce these issues as well.
I will probably wait for the official release to try it out. I use PrusaSlicer since it works so well for Prusa machines.