iPhone 7 Eyepiece Adapter

New and improved! I call this v2.3, which is the next higher number, I guess. Improvements in the configuration of the eyepiece holder and a bit more re-inforcement on the support structure. Print this at about 50% fill to reduce the weight a bit.

This is my re-mix of Robert-G's very nice adapter. I offset the eyepiece holder to work on iPhones that have the camera lens in the upper corner rather than centered on the back of the phone.
I did make the switch to 1/4 by 20 SAE hardwar