Desk Magnifier Mod

I've had the desktop magnifier with an ancient glass tube of light that gets hot for decades and wanted to replace it for years, but never found what I wanted and it would never die. I saw another mod here a few weeks ago (https://www.thingiverse.com/thing:2757462
) and got inspired. It had a different mount and lens size though. This has a 5 inch lens that measures 126.3mm with a 4mm edge, and the mount is on top instead of the back. So I found a COB LED ring on ebay for $12.41 that's 140mm and