The kebab menu icon is most commonly found in the upper right corner of cards. This placement follows the reading pattern of users who usually scan from left to right and top to bottom, ending up at the top right corner.

It serves as an intuitive location for additional options or settings, making it easier for users to find what they're looking for without cluttering the main interface. By adhering to this design convention, you create a more predictable and user-friendly experience, aligning with users' natural behavior and expectations.