Considering that fingers rotate on joints instead of extending forward, and don't crook to the side while doing that, the Maltron/Kinesis/Dactyl shape and ortho

Considering that fingers rotate on joints instead of extending forward, and don't crook to the side while doing that, the Maltron/Kinesis/Dactyl shape and ortholinear layout are pretty intuitive. It's flat boards and the typewriter-inherited staggered layout that don't make sense in the age of plastic.