What is the most ergonomic angle forthe face of an Arcade stick?

I’m going to make my case from stratch. I’m just going to use hand tools, and I was wondering if angling the top of the case would even be worth the extra effort. Maybe I could use adjustable rubber legs?

It’s not necessary, but definitely ergonomic. 7-10 degrees is what I usually do.

Using hand tools I wouldn’t bother. Angled sticks are better for american part use because of the necessity for a taller case for part clearance. A sanwa stick can be 2", or even shorter if desired, though the stick will be above optimal height if made less than 2" tall.