Mental note: half inch PEX piping needs half inch fitting, not three quarter. Meh.
The second bed is properly covered. The first covering offered a quick learning curve, so the second structure is sturdy and even.

I will have to go back into the first one to add some extra cross braces.

The extra bracing also help hold the hoops upright. There’s good room in there for growing…

Also, look at this ridiculous tomato plant:

For reference, the piece of pipe is two and a half foot tall…