Quite a bit late but earlier there was work to be done with the hives. Old foundations had been ruined and new ones needed to be installed.
When using new frames I used to worry about them being completely square but now I just estimate, with the foundation in place it’s easy to get close, I do like to shave away any edges on the frames after separating the wood with a chisel.
If at all possible using a brad nailer helps tremendously, I like to put two on the top and bottom vertically and one brad horizontally, if you put two horizontally the wood will probably split.
I don’t have a picture but there is a strip of wood that holds the foundation (wax part) to the frame (wood part), I use a stapler to fasten it down.
You can get wire to secure the foundation but using bobby-pins is much easier. I go to the dollar store and buy the cheapest I can, the wife doesn’t like me to use hers.
Using air tools new frames can be put together pretty quickly.