Expandable LED Strip Holder (For Ender 3 and others)

Yes, it's another LED strip holder. I know there's a lot of these on Thingiverse but I couldn't find one to fit my preference of having more than one strip over the bed. Wanting to do timelapses, I thought multiple strips overhanging the bed would provide better lighting, and in my testing that seems to be the case.

The advantage of my design (in my humble opinion!) is that the bracket attaches easily to the top rail while holding the LED strip further out than other top rail solutions. This