Technic 1:8 Supercar Wall Mount System

I have seen plenty of vertical wall mounts for the Technic Supercars, and I think they look great! Unfortunately, I don't have the vertical space on my walls. I've seen a couple of horizontal and angled mounts on the web, but nothing that had all of the supercars. The design is heavily influenced by yokoso's design (I can't link to it due to it having a banned Makerworld word). But, I did redesign this from the ground up. I liked the slide-in tray so you could switch cars and/or positions. I also wanted to be able to put a mounting point on the wall, and then attach the rest of it for ease of installation/deinstallation. I also wanted to be able to angle the car left or right. I have included a mount for each car so it can be angled as such. I designed the mounting plate so it could be used with wall anchors, or if you are going directly into a wooden stud. The left/right holes are for wall anchors, and the top/bottom (leveling hole) holes for for going directly into a