I like to use NEMA enclosures for projects but even the plastic ones are expensive.
Then I saw these double gang ABS boxes for less than $2…
The only problem is all those posts in the way.
You only need the four corners so…
They do have ribs so you need to get close to the edges… Closer than this…
More like this
Thats three for less than the price of one and I got to use the mill….