Lightbox horse plywood

Have been working on these light boxes…after a few fails, my own stupid mistakes i finally got iT


That’s pretty sweet! Is there a sheet of plexiglass behind it holding it all together?

My brother would love something like this in his Saddlery Office. Could you, would you share some of the do’s and dont’s with an old dude who would like to make one of these? It would be greatly appreciated. I’m especially impressed that ALL of your cuts show about the same level of light.