Hi, I saw your post earlier on the Retropie forums, and it looks great! Fair warning though, those USB hubs from Jaycars are used for our school robotics team, and they can only power one controller, any more and it doesn't work. It's not powered, so what do you expect, I suppose. Well. This is a p...

Looks pretty nice. Another nice thing about those buttons is the transparency. It is a shame you are using a semi transparent case. Otherwise, I would have recommended cutting out the button wells with a dremel and epoxying in place.