Works really well! - Thank you for Sharing.
If someone needed one to print in central europe (Austria, Germany,...) . - i could do it for you. --> PN me.
I designed my own because the one posted by the OP in post #1 didn't quite fit the exterior dimensions of my M2Pro filters. The outer dimensions of the bezel on filters from different manufacturers are slightly different.
I also didn't like the lack of a handle/grip, and didn't like the big circular hole, which makes it too easy to get your fingers on the filter.
This is a re-design of the filter holder referenced to the left. That is a good design, but it was too small for the Ultimaxx filters for my Mavic 2 Pro Hasselblad camera. So, I created my own design, from scratch, using Fusion 360. I have included the f3d file which is parameter driven so you...