My dad sent me this: He wants more cases.
He likes the elastic on the sides:
I made up this:
this isn't pretty:
Scrapping that plan...
(as I look at the pictures... it doesn't look that bad. It is. It's all kinds of crooked. New plan. )
edited to add: Here are the two cases I came up with this evening. No elastic, but more presentable. The next one will have some velcro at the top. I think I'm getting closer.