It's disappointing how so much money is being poured into "mechanical keyboard kits" that simply re-create the old ANSI/ISO layouts that are rooted in old limitations from the days of the typewriter. Alternate layouts & ortholinear/ergonomic designs should be the forefront of the movement. All this focus on outdated designs makes the community "accessible" but also holds people back. The emergence of row-staggered 40…
My own attempt is at https://github.com/dancek/dactyl-keyboard/tree/less-aggressi... . While I only have the left half built, I'd say that measuring fingers and tuning an ergonomic layout to your preferences works well. I don't expect to see a production keyboard as ergonomic. Ever.
N.b. the amount of work needed for this build is pretty ridiculous. There's a reason that keyboards are usually flat.