this is what I've used.
-old lcd display;
-power supply with connectors;
-3mm plywood;-10×10×1500mm lath;
-some little piece of plexiglass.
-some kind of saw. I have used a band saw and a buzz saw;
Step 1: The shell
Considering that the led stripe is 10mm tall, so are the sorrounding pieces where it will be stuck.