While looking for cases for mine found this on amazon:

https://www.amazon.com/Coyktonty-Protective-Gopro-Hero-11/dp/B0BTMLPD3N/ref=sr_1_22_sspa?crid=3TTU7D6ORWK7O&keywords=GoPro+11+mini+cage&qid=1679459499&s=electronics&sprefix=gopro+11+mini+cage%2Celectronics%2C132&sr=1-22-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUEyWUpPR0FTQVlYTDAzJmVuY3J5cHRlZElkPUEwMDQ3NTQ5M01IOVJYQjZWUkNOUSZlbmNyeXB0ZWRBZElkPUEwMTA2MTQ1OUY4NUUyWUg1VVZZJndpZGdldE5hbWU9c3BfYnRmJmFjdGlvbj1jbGlja1JlZGlyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ==

Not sure if this is what you were looking for though…