Beam Spring 104+SSK Reproduction Project! First Batch In Stock, Shipping early next year after New Model F Project

Ellipse

16 May 2026, 10:13

Here we have the first user image of the Round 2 B104 Beam Spring Keyboard! This one is an ISO version with one of the new custom LED Overlay designs. The key set includes extra keys so that you can pick which ones you want to install.

Please do share your B104 images!
B104 ISO.jpg
B104 ISO.jpg (445.36 KiB) Viewed 330 times

Cattus_D

16 May 2026, 13:20

Typing on this very keyboard right now! I am glad to have been part of this project. :-)

snarfbot

16 May 2026, 21:05

got mine today! thanks Ellipse its everything id hoped it would be, incredible.

JCMax

16 May 2026, 22:15

Thanks Ellipse! It's a tank!

Since you wanted pics I got one with all of the "lights" on. This thing don't need no RGB!
Attachments
Beamspring pic.JPG
Beamspring pic.JPG (580.05 KiB) Viewed 299 times

dr_xadium

17 May 2026, 05:47

That's a thing of beauty. I can't wait for mine to come in :)

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Green Maned Lion

17 May 2026, 17:01

I think the B122 is in the same sized case, right? Height wise, I mean, obviously it's wider.

Ellipse

17 May 2026, 22:36

Yes, I noted on the product pages:

Dimensions (all are approximate):
B62: 341 x 210mm (13.4 x 8.3in)
BSSK: 406 x 248mm (16 x 9.8in)
B104: 491 x 248mm (19.3 x 9.8in)
B122: 535 x 248mm (21 x 9.8 in)
All beam spring case heights are 39mm (1.5in) in the front to 49mm (1.9in) in the back

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Nikki2981

18 May 2026, 06:09

BEAUTY! I can't wait for the B122s to start going out (!!!)

caesarcaliyugula

18 May 2026, 14:51

Looking good! I love how the divot looks on Ellipse's keys--I only hope the MTNU Susus I have waiting for their new home will measure up.

primus

18 May 2026, 19:51

Speaking of the keycaps, are these the same profile as OG beamspring keyboards? Or are they a custom profile similar to SA/MT3?

Ellipse

18 May 2026, 20:46

The keys are custom and are not made in line with any standard MX profile. As you can see in the various photos all of the keys do not vary much in height. These keys were the closest production keys I could find with characteristics similar to the IBM beam spring keycaps (color scheme, font, PBT double shot, each key about the same height).

snarfbot

Yesterday, 06:05

https://imgur.com/a/n2UfbAx

the keys are gorgeous.

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Muirium
µ

Yesterday, 14:15

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Green Maned Lion

Yesterday, 16:22

Joe, do you think more interesting keycap colours may become available in the future?

Vertrillium

Today, 00:24

Got mine today and outfitted them with the SA Macrodata Refinement Keycaps. https://imgur.com/a/DWn80cZ

Ellipse

Today, 01:16

Nope, due to high minimum order quantities of 1000 for each color scheme.

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engr

Today, 03:49

I am stuck in the "get the Leyden Jar diagnostic tool to work" stage. Following the instructions, I downloaded the repository and tried to run the GenerateBuildForVS2022.bat file. Command prompt window flashes and disappears, and nothing is being generated in the build directory (even though I have VS2022 installed). What am I missing?

...And yet, it seems that I got incredibly lucky, because all the modules were OK visually, and all the keys are working perfectly out of the box. The only thing I had to do was to remove and re-install the spacebar (because it came installed upside down), and by some miracle I managed to do it without damaging the stabilizers, despite not having the plastic parts properly supported (yes, I should have used the wire).

At this point, I am happily typing on my B104 and I am kind of reluctant to disassemble the inner assembly, everything, clean PCB, etc. (Step 3), because, well, it's not broken, so why fix it.

There was a random loose machine screw inside the case, identical to the ones holding the controller PCB to the stands, that I still have not figured out where it came from.

It's going to take me a while to get used to the height of the keyboard and the fact that the standard wrist rests will not fit it. But the beam spring switches feel great.
Attachments
B104kb.png
B104kb.png (2.5 MiB) Viewed 22 times

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