Keyboard Builders' Digest
5% off of the LEGO compatible Adam by KBDcraft! (Code: KBDNEWS)
Keyboard Builders' Digest / Projects

Corne thumb trackball

An updated Corne PCB which integrates a thumb trackball – shared by idank.
Published February 21, 2023

Idan of released a new variant of foostan's classic Corne – with a thumb trackball, replacing the outer thumb key.

Continuing my appreciation for trackballs, I modified the Corne PCB to take the Pimoroni trackball instead of the right most thumb key, while keeping the same footprint as the other Cornes – Idan.

The trackball can be installed either above or below the PCB. Above puts it closer to the keycaps' plane, below (as shown in the photo above) is more aesthetic when installed with a top plate.


Published on Tue 21st Feb 2023. Featured in KBD #114 (source).

Did you like reading this post?

Donate to keep this project alive


Next Dactyl / trackball iteration

The next Dactyl / trackball iteration by crufia features integrated wrist rests (background).


Norne is a 3D printed Ploopy Nano + Corne case mash-up by Diitsuku.

Skeletyl variant

A Skeletyl variant by u/blackanode with top and side mount add-on options.

Dactyl TypeSafe

This wireless vertical Dactyl TypeSafe was designed and shared by u/tewtham.


Skribbles4420 shared the files of his OpenOT, a 5x11 ortholinear keyboard with an integrated trackball.


Aki27's cocot46plus is a monoblock angled mechanical keyboard with a beefy 34mm trackball, rotary encoder, and OLED display.