I recently built a Dactyl Manuform and thought the same thing with the 1.5u outer columns. For me, at least, it's not a big win. I'm mostly touching the inner

I recently built a Dactyl Manuform and thought the same thing with the 1.5u outer columns. For me, at least, it's not a big win. I'm mostly touching the inner edge of the key because my pinkies aren't that laterally flexible. I like a lot of tilt and low to the desk, and that extra 0.5u of width ends up raising the whole thing more than it needs to. I have large hands and the ErgoDox thumb cluster is just too damn far away. Bringing it within reach is a meaningful improvement.