Adjustable Launch Stand Parts

If you travel for FPV races you will know that it's not easy to pack a launch block. Most of the Racers use wood blocks which are cumbersome to travel with. I started out by designing a collapsible launch block and the intention was to have it CNCed from G10 or Carbon Fiber. I developed 3 different concepts and then I simply said to myself there has to be someone on the market that will meet my requirements.

I came across very small collapsible laptop holders, so I decided to buy one and if didn't meet my needs I would simple use it as a laptop holder. Well, it turns out this thing meets all my requirements.

The parts in designed are intended to be used with laptop stand in the below link:
https://www.amazon.com/gp/product/B08B3N1234/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1

There are two basic setups you can run, 1 is the traditional flat launch and the other is using a preset angle for launch. Now, in the 2020 season the MultiGP rule stated that all quads much