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.
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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.