Old ikea tables where cut in half for becoming the side walls and got screwed together. The glas plates on top and bottom are 1 cm in height and were produced for those exact randomly occurring dimensions (80 x 44.5 cm). Some old LED sealing lamp was fitted to the one ladder segment.
The idea came from following YT-Video. See how to build it clean and neat here:
Nice. I like yours even more than your inspiration.