Designed for cheap 24V LED strip from Amazon: https://www.amazon.com/dp/B08L77G9TG?psc=1&ref=ppx_yo2_dt_b_product_details
Use this instead of u-channel for https://www.prusaprinters.org/prints/3267-led-light-bar-prusa-i3-mk2mk3
Inspired by: https://www.prusaprinters.org/prints/121193-led-light-bar-rail-prusa-i3-mk2mk3
The author remixed this model.