I've realized now that I can't go smaller on the case (maybe because I suck at 3D stuff)
So I decided to make it large enough so that I can fit the ps2 motherboard partly untrimmed.
This will allow me to split the progress into 3 phases / difficulties:
Easy (no voltage relocation trim, USB...
I'll be posting my progress on my portable PS2 here. The DreamStation2
Features & dreams:
5.6" screen (VGA)
Rumble motors
Stereo speakers
Internal pi zero w for faster game loads
Removable battery pack
3D printed case / parts
Still in concept phase but obvious inspiration is obvious: