Backscatter HF-1 Flip Snoot

I recently acquired a set of BackScatter HF-1 strobes. The manual has a reference to a Backscatter OS-2H Optical Snoot, which unfortunately is not yet available. But I would like to use a flipsnoot for some situations and decided to develop my own DIY 3D-printed version. Not a big deal as I had done this before for my previous strobes. Requirements: - Flip is a must have as I regularly mount my 12-40 zoomlens and therefor need to be able to quickly switch between wide-angle flash and snooted flash - Different openings like 50mm (AKA beam restrictor), 25mm and 10mm - Reliable solution for keeping the snoot either closed or put aside. I choose again for the regular ball mount o-ring which did the job on my previous snoots. The length in open/closed position is shorter than at intermediate, which keeps the snoot in the selected place. - I don’t like things to be loose. I’ve owned snoots with separate caps to further limit the opening and lost them when putting them in a pocket with thick