I needed a spare part of a gear of the German board game "Chaos in der Geisterbahn" (also known as "Logi-Geister").
https://www.thalia.de/shop/home/artikeldetails/A1047985079
On the left of the images you can see the original part, on the right my version.
Measurements are not that accurate but should work.
I can share the original CAD file if requested.