You can also buy these "off the shelf" from https://www.drakware.com/ https://www.drakware.com/ . My wife uses a NeXT keyboard (which she's been using for 25 ye

You can also buy these "off the shelf" from https://www.drakware.com/ https://www.drakware.com/ . My wife uses a NeXT keyboard (which she's been using for 25 years!) via one of their adapters.