I originally added the LED arms and lights to my 5 gallon bucket with lid from here but they were really floppy.
So I mixed the LED holder with the half spacer with no turn that I remixed from here. To get the lights far enough away from the plants, I extended the arms 80mm. I also tweaked the end of the arm slightly to rest all the way down on the body of the half for a bit more structure.
To assemble this, you need to print
You'll need 9x #8-32 x 1-1/2 in. machine screws & nuts to attach the arms to the half and the tips to the arms.
I used these LED lights as recommended from the original design on thingiverse.
I used these settings:
I did this quickly in Tinkercad so it's not perfect, but function over form :)
The author remixed this model.