This is a 200mm long bracket to hold a 10mm wide 5050 led strip on the frame of the Original Prusa i3 MK3/S.
Remixed from https://www.thingiverse.com/thing:3034514 by nrp
I printed it at 0.3mm with supports and brim to prevent warping. It fits a little loose but it works great.
The author hasn't provided the model origin yet.