This is an LED holder that mounts on Enco Knee Mill to hold a 110mm LED Ring Light. After printing base, the elongated wire pass-through hole will need to be deflashed, as there is a thin layer of plastic designed in to eliminate the need for printing with supports. The base threaded holes are modeled with M3x0.5 threads. Assemble parts with 8mm length M3x0.5 screws. I cut off the head of a 5/16 hex bolt and attached to assembled unit as a mounting post.

I purchased the LED ring lights through Ebay.