As promised in my introduction, I dug out and took photos of my 'unclosable laptop'
I made it a few years ago out of scraps of 5mm mdf glued and screwed together and sprayed black. This was before 3d printers took off.
The screen is a cheap chinese LCD monitor. The card is a PicoDivSD from Zaxon I bought a few years ago. The NMI has stopped functioning on it. Pressing the button does nothing. I need to investigate more.