You could always get this e-ink keyboard that is being crowd-funded the nemeio where you can I guess completely customize the keys https://www.nemeio.com/ https

You could always get this e-ink keyboard that is being crowd-funded the nemeio where you can I guess completely customize the keys https://www.nemeio.com/ https://www.nemeio.com/ - seems interesting and could allow you to easily explore alternative layouts but not sure how good the ergonomics of a keyboard like that would be but it seems interesting to me.