Ender 3 LED Holder remix

This is a remix of venegade's remix to fix a fitment issue with the LED bar from Amazon:

https://www.amazon.com/ASOKO-Dimmable-Cabinet-Lighting-Function/dp/B06Y3NWN8R/ref=sr_1_3?ie=UTF8&qid=1546177016&sr=8-3&keywords=asoko+dimmable+led+under

The UL plug version is approx 14mm wide at the contact area between the holder and the LED bar (venegade's version was about 15.5mm).