Underside of the trackpoint, fitted to the keyboard PCB The keyboard’s circuit board had traces everywhere, with nowhere to drill through between the correct keys, typically between the G ...

Most QWERTY computer keyboards use a single rubber-like membrane underneath the keys that makes contact with a circuit board when the key is fully depressed. Also called a "dome switch keyboard ...

Whether you have full use of your hands or not, a foot-operated keyboard is a great addition ... 3D print a new one so they could include circuit board mounting pillars and a bit of wire management.