Rapid prototyping is an incredible tool nowadays. I started working on this concept a few hours ago, and I can already try out if it works. Turns out, it kinda works. I will lower the pinky rows and
I love my printer!
Hey I did a similar thing recently, even printed the pcb to get a feeling of dimensions etc 
How do you design the test boards? Ergogen or something else?
Ergogen
No, good old TikerCAD and a lot of free time :D
That looks to me to be larger than standard spacing (19.05x19.05) of the keys, does it not require a bit of stretching to use?
I have very large hands so it's mostly fine. Thanks for the standard spacing tho, I used 20mm because it was convenient 😅
Ergonomic, split and other weird keyboards
Posts must be of/about keyboards that have a clear delineation between the left and right halves of the keyboard, column stagger, or both. This includes one-handed (one half doesn't exist, what clearer delineation is that!?)
i.e. no regular non-split¹ row-stagger and no non-split¹ ortholinear²
¹ split meaning a separation of the halves, whether fixed in place or entirely separate, both are fine.
² ortholinear meaning keys layed out in a grid
No excessive posting/"shilling" for commercial purposes. Vendors are permitted to promote their products/services but keep it to a minimum and use the [vendor] flair. Posts that appear to be marketing without being transparent about it will be removed.
This subreddit is not a marketplace, please post on r/mechmarket or other relevant marketplace.