Does anyone know the historical reason for the 1.5u/1u mod clusters on the hhkb-style layout?
In my ongoing keeb journey, I have come to realize that HHKB-style is the layout for me. One thing that has really held me back from joining many keyset group buys is that, as a Mac user (niche of a niche here, I know), I could end up with incorrect legends when using my preferred layout.
Most keysets include a 1.5u alt and 1u super(etc.), but only a few include the opposite that I need. I have limited my purchases to those that do either in the base (grateful!) or child (appreciative) kits.
As I am planning my first hand-wired project, it has me thinking about the history and practicality of this bottom row layout. Using 4 1.25u mods would take up the exact same space as the current 1.5+1u x2 situation and GREATLY expand my keyset options.
I get that the closer key is used more often in every OS and therefore it makes a certain amount of sense for it be slightly larger, but .25/u seems like a pretty negligible difference both in functionality and aesthetics and a fairly large trade-off for keyset compatibility.
It gets a little trickier with Tsangan bottom rows (my first love), but some kind of 1.5 + 1.25 + 1.25 could still be used to fill the same space and only require 2 additional special keys instead of 6.
Since I don’t need to worry about PCB structure with my hard-wired project, I think I am going to go for this modified HHKB-style layout, but it has made me wonder why something that would make this layout just a little more standard isn’t more commonplace?
Thank you for coming to my keeb talk.