Oculus Rift CV1 Prescription Lens Adapter (strengthened)

Remix of the very nice lens adaptor made by jegstad.

I just strengthened the outer part of the frame (the left/right sides), by recommendation of my optician.
This makes the frame a lot sturdier, ensuring that the lenses don't rotate when polished, which they tended to do in the original version.

He also added a little notch in the glass, next to the upper end of the frame, so it's easier to re-position the glass, if it rotates, or you replace the frame - just align the notch with the end