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Is https://tumbleweed.nu/lm-3/ the project you're referring to?



Yup! Feel free to prod me if you need help (forum, chat, mail ...).


Someone needs to sell a Space Cadet USB keyboard (but with arrows).


Is this close enough?

https://keymacs.com/


Wow how cool, but $1,171 for the basic, non-soldered one? Guess it's not for the mass market...


Horrendously expensive doesn’t count.


Didn't you hear? Horrendously expensive makes it _better_.

See: Rolex watches, Bugatti cars, Chanel clothes, etc.


Build quality has diminishing returns. Rolexes and Bugattis are impressive feats of engineering, but I was aiming for the most utility per dollar, which would probably peak at a PCB, mechanical switches, group-buy dye-sub keycaps, and 3D printed cases.

My evil plan would be to go on for other types of incredibly rare hardware that could run in emulation while the physical interface with the human can be replicated with reasonable accuracy with modern technology.

A PC keyboard is not ideal for a Xerox Star, or a Symbolics, but is quite fine for an Amiga, Atari ST or Archimedes


My intention was both snark and to point at real vs perceived value. Whoever downvoted me seemed to miss that. HN is not very perceptive; this is not a very nice place.

Anyway, yes, small-batch artisanal handmade keyboards cost a lot of money.

> Build quality has diminishing returns.

Of course it does. But the point where the gradient tilts might surprise you.

I have tried a Unicomp modern replica of an IBM Model M. It was not a very nice keyboard, IMHO. It felt and sounded cheap and plasticky, with poor quality mouldings, rough edges, and so on.

This was a $150 replica device. It did not feel like hundred-and-fifty buck hardware. It felt a bit cheap and nasty.

(The owner told me it died not that long afterwards.)

This is the problem: proper quality kit costs, even if it's a modern reproduction of a mass-produced item from 30-40 years ago.

I agree: it's a ridiculously expensive keyboard. But the cheaper repro I tried disappointed me badly.


I have a Unicomp PC122 and it feels solid, but it sounds a bit like late IBM, much more than 1980's IBM. I heard the newer units are heavier, but I don't know much about that - I suppose they might be using a heavier steel plate, because changing the molds would be both ridiculously expensive and would invalidate their claim to be building original IBM keyboards.

In any case, the layout is more important than key feel (unless it's absolutely terrible) - for many machines you NEED those keys and, if they are in the same positions than they used to be, the experience is a lot better.


Oh, man, I want one.


Me too.

I contacted the company. Turns out their address was within half an hour's walk from my old apartment in Prague. I thought I could at least try one.

Nope. It's just a mailing address. Actually they are in a remote part of the country, at least 3-4 hours' travel away.


(I am slowly working on making a replica ... without arrows though)


Is there any good literature on building keyboards? I’d love to try my hand at building vintage-like keyboards for things like DEC terminals, workstations (Xerox Star and Apollo Domain rely so much on their keyboards it’s hard to experience them on regular PC keyboards).


I've just completed a keyboard inspired by the Lisp machine keyboards but aimed toward use on a modern Unix system. Making your own one-off hand-wired keyboard is time consuming but pretty easy if you can solder. I probably spent $400 all told, including a fully custom keycap set from https://fkcaps.com/custom/

I've been meaning to write a blog post about it but I'm still finishing shakedown (currently chasing a wiring problem that messes up multi-key chords on the homerow)


I joined a discord for keyboard makers. I'm trying to learn electronics and circuit design and thought it would be a nice way to get into it.

The conclusion I drew after researching the subject and talking to people was it's not viable unless you're planning to turn it into an actual product and sell large numbers later on. Looks like the manufacturers are assuming you'll follow up with large orders.


No idea, this is sorta the project that runs on fumes right now. Wanna do something together? The keycaps are always the issue, making, remaking the PCB for the keyboard is just a days work even making it work with something like QMK or some Arduino thing.

But then you want the keycaps, and each special keyboard has its own set .. double injection moulds are expensive unless you do a large batch.


> Wanna do something together?

I know very little about keyboards (not much beyond reading a matrix, which is something I did once, 30+ years ago), but I’m in.

I would imagine by now there would be a KiCAD wizard that would generate a standard keyboard with extra rows and columns if needed and all customisation would be dragging the switch footprints to their positions for the non 1:1 keys.

Keycaps can be blank, laser eroded and resin filled, dye sub, or any other technique.


Sandpaper off the markings on a regular keyboard and write the keycaps with a Sharpie.


That, or order blanks.


injection molding is intractable for small runs, but there are services for one-off UV printing and dye sub; you'll have to compromise on accuracy to the original, but could still make something nice


Do you have any links or pointers to read up on that? How small runs and how much of a compromise on accuracy are we talking about?


sorry for the late response, I've used WASD, there's also Max Keyboard, and I've heard some good things about Goblin Techkeys. They'll all do one-offs.

By compromise on accuracy I just mean they won't be the chunky doubleshot ABS keycaps like the originals. You can definitely still make something that looks nice and has the symbols you'd want.


You can always use dye sublimation.


*angry r/MechanicalKeyboards 60% noises*




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