Thanks all for the great advice. Wow, there are some nice panels with very professional wiring. I hope to make mine half as well.
I did a little measuring, and in reality, the 14 inches from the top to bottom seemed like too much, especially when moving the zw to the bottom with all of the weight out there. I think I will be making it less deep but wider - approx 10x29 seemed less obtrusive.
I agree moving the meters above the zw is ideal. With the smaller dimension, the meters will need to on an angle and above the zw. I’ll need to build a box like this
Or similar to the shape of TomTee’s Dallee devices for a meter box:
Thanks again and keep the ideas floating in.