Z alignment braces

2021-04-26 update
Let me say that few months later these parts looks rock solid and did not need any adjustment, but design not as good.....
I took some time to review all parts hoping they will result as strong as before.
now there are 3 t-nut bots on botton arm and up to 5 available on top one.
I also change some print parameters as shown below
Shown printing position should result in the best time/quality

2020-12-16 update
After first installation I realize that even with high infill the upper part is too flexible.
Made some adjustment, printed and after installation they looks much bigger but very strong. added also another hole for an extra screw if needed.


2020-11-22 update
There are many accessory like this, but some seems interfere with X assembly at maximum height, some other for me just looks bad.
Covid give lot of time for browsing web, looking for parts and I tried a different solution.
The idea was to not touch any printer part or accessory and allow an