Insta360 One X mount with Twist-Lock V2 mount. Published Open Source with parametrized plate thickness and lock thickness.
Here is Fusion360 file attached. There you can change parameters and generate mounts with your desired settings.
Didn't printed this yet, so don't know is it tight enough with 98A TPU. Soon, soon :)
Here is the video of my old version of the Twist-lock mounts:
The author marked this model as their own original creation. Imported from Thingiverse.