I have always found the presentation of meshing cogs to be very crude.
This is my crude composition: https://shared.xara.com/Wh8EchMk7R
I tried with Xara's starred curved shapes to get the timing right.
I then created a cog as a Scatter Brush.
The animation script is very simple.
I extruded two cogs and got rotating cupcakes!
Acorn
Bookmarks