Having used the Battcave Jok3r servo center gauge I thought i'd make one for my Mardave Mini
I have put an offset on one side to suit the servo if you mount it in a forward position.
I printed this on a Bambu X1 Carbon.
Printer brand: Bambulabs
Printer: Bambu X1C
Filament brand: Bambu
Filament color: Up to you
Filament material: PLA