In this video I'm trying to tackle undercutting and profile shifting of involute gears.

Animation manim sources:
https://github.com/GarryBGoode/Involu...
Gear drawing toolbox for manim:
https://github.com/GarryBGoode/manim-...
CAD utils for manim for dimension drawing:
https://github.com/GarryBGoode/Manim_...