LED Strip Holder for Under Counter Lighting

THIS MAY NOT BE FINISHED
Many years ago, I installed under counter lighting in the kitchen. I used rope lights to light the counter on both sides of the kitchen sink. I didn't install any lights above the sink, although there was an obvious need. Enter 3D printing and small LED strips, and I found an alternate way to provide some light above the sink when you don't need the brilliance of the light fixture above the sink.

The LED holders here allow you to mount small USB powered inexpens