HHKB bottom row dimensions?

[jinhwanlazy]

I'm building a copy of happy hacking. But I couldn't find clear source of It's dimension.

The only one source I found is this layout-editor format from deskthority wiki (https://deskthority.net/wiki/HHKB_Professional2).

Code: [Select]

    // simplified
    ["","","","","","","","","","","","","","",""],
    [{w:1.5},"","","","","","","","","","","","","",{w:1.5},""],
    [{w:1.75},"","","","","","","","","","","","",{w:2.25},""],
    [{w:2.25},"","","","","","","","","","","",{w:1.75},"",""],
    [{x:1.55},"",{w:1.5},"",{w:6},"",{w:1.5},"",""]


It specifies the bottom row has 1.55 unit, blank area on left side, which means 'Q' and 'Alt' key dose not vertically aligned, but 'Alt' is 0.05 unit(0.9525mm) shifted to right. As far as I see my HHKB, I don't see such a gap. I'm not sure because I don't have proper measurement. Sub mm distance is really hard to catch with plastic ruler.

Should I trust deskthority wiki, or assume its just typo of 1.5 unit?

[Tactile]

In the photos I've seen it seems clear that those two keys are not aligned.

[jinhwanlazy]

The image is warped. Left 'Alt' is seems to be slightly right to 'Q', but at the same time, right 'Alt' is left to '['.

[hasu]

I think it should be 1.5u but I have no source.
How important is the 0.05u difference on your copy?

[jinhwanlazy]

Not at all. I just wanted to make things sure.

[czarek]

That's simple:

So:
1.5, 1, 1.5, 6.25, 1.5, 1, 1, 1.5
That layout can be easily achieved with standard GH60 board.

[jinhwanlazy]

1.5, 1, 1.5, 6.25, 1.5, 1, 1, 1.5
That layout can be easily achieved with standard GH60 board.

HHKB has 6 unit space bar. And that's why I decided build one myself, because most HHKB copy had 6.25u spacebar.

I'm building it from scratch, mainly will be 3D printed, hand-wired. It's still work in progress. but you will see the concept.


You can try it yourself here.
http://openjscad.org/#https://gist.githubusercontent.com/jinhwanlazy/d98c2b5851e1507c8af122e9724a0c4b/raw/24ec26aca666a7509929d612ca9ade6745ce68ce/keyboard

[xondat]

Code: [Select]

[{a:7},"","","","","","","","","","","","","","",""],
[{w:1.5},"","","","","","","","","","","","","",{w:1.5},""],
[{w:1.75},"","","","","","","","","","","","",{w:2.25},""],
[{w:2.25},"","","","","","","","","","","",{w:1.75},"",""],
[{x:1.5,w:1.5},"","",{w:6},"",{w:1.5},"",""]

Closet you can get is 1, 1.5, 7, 1.5, 1 with 1.5 blockers on each side. It's what I've done.