I have completed my LED installation above the build plate. You can find the images below. I must credit @Alex9779 for his help on this subject. The LED strip was sourced from here: https://www.wholesaleledlights.co.uk/1m-24v-single-colour-led-strip-lights-60-x-5050smd-14-4w.html The aluminium corner profiles from here: https://www.wholesaleledlights.co.uk/corner-45-led-profile-extrusion.html My patience can not be found anywhere!! It was tested and eventually lost. I struggled with a bit of the soldering but eventually just moved to the other end of the tape (I had destroyed the copper contact on the first end). The lights are wired directly into the HE2 points on the RUMBA (24v) although from what I understand there is a jumper to set it to 12v). Then in OctoPrint I have a slider and a button to set the brightness using a GCODE command. M42 P6 S%(Brightness)s Brightness being the variable - 0-255 You can of course type this straight into the terminal with M42 P6 S255 for top brightness! P6 is the point number for HE2 if you were wondering. I simply soldered the wires to the ends of the LED tape (tape was cut to 400mm) and stuck them in the profiles (cut to around 410mm) fed the cables through the nut trap cut outs, and fitted some connectors to make them detachable if needs be. Now I need to upgrade the settings in my config file for OctoPrint to get some nice 720p videos. Questions welcome. Edit: Forgot to mention that the lights are fixed in place with 3M poster tabs. They are easily removed and leave no residue. I did not fancy drilling into the acrylic. So here is an extra pic of my messy wiring. I have a nice salvaged connector that allows me to disconnect the LEDs from the main wire. The rest is just some spade connectors (that need cleaning up). I know it's not that clear but I was trying to solve an issue at the time!