I like where this is going. Maybe a cleaner cut under the lid?
Might be able to use some of the parts from this kit to clean up the IO. https://www.youtube.com/watch?v=6eOFiuv2PGQ
https://www.thingiverse.com/thing:2012518
There was another version from a different maker which was legit. I'll share if i can find it.
EDIT: Found it: https://retro-emulation.com/raspberry-playstation.html