Ipad Mounting Bracket for Matrix AR11 rowing machine

I wanted to watch my shows on the Planet Fitness rowing machine, so I created this mounting bracket. It should be printed in two parts: the base and the holder. The holder must be glued to the base. The holder mates to the base with two small tabs. I include the .fd3 files if you want to tinker with them. The base is precise fit to the computer box. See photos. Print the base upside down and the holder on its side.
I very much appreciate any tips $$.