What’s everyone doing with ND filters for the Hero 8? Just got my 8 and found that my ND filters don’t fit in the GoPro mount. I took 1 of my 2 mounts and cut away pieces to make it fit but it’s not nearly as tight anymore. I don’t think the GoPro would go anywhere but I don’t want it to be moving around while I fly. I included a picture of what my setup currently looks like.

Would a mount with a strap work? Any recommendations on where to get those? I don’t have a 3-D printer.

I don't have a GoPro 8 but you can have a look on Thingiverse for a different mount that would fit your frame and then get RDQ or BMC3D to 3D print it for you.

Someone has a similar question, although not exactly the same. But the solution is useful. Basically alter an existing design to suite your needs.

https://intofpv.com/t-gopro-mount-for-my-frame

When I got the Hero 8 I switched from the TBS Jello Guards I was using over to Camera Butter.  Seems like the perfect solution for a Hero 8.