Signum keyboard

By Xah Lee. Date: .
signum 2 keyboard 2017
Signum 2 keyboard, 2017, by Troy Fletcher

Total keys: 48.

more photos at

Corvus Keyboard

corvus keyboard 2016 7948
corvus keyboard 2016

Total keys: 66

here's a video you can see Signum keyboard.

(Signum keyboard) All I've learned about Ergonomics, and how to apply it. (video by Troy Fletcher)

Troy Fletcher website:

Troy Fletcher reddit

If you have a question, put $5 at patreon and message me.