Keyboard Builders' Digest
Save 5% at Mechboards! Code: KBDNEWS [all coupons]
Keyboard Builders' Digest / Projects

Rocksolid prototype

Rocksolid is a collab between tenstaana and a mashup of their Chunky and Rock on keyboards.
Published June 6, 2022

Merging Sadek Baroudi's Rock on and his Chunky (here and here), tenstaana announced a collab materializing in a new design called Rocksolid.

Here's the rocksolid, the collab board made by me and sadekbaroudi. Just think of it as my Chunky fused with's rock on – tenstaana.

Being the love child of Chunky, a feature-rich true split, and Rock on, a unibody design with display on the more convenient end of the spectrum, it's no surprise the Rocksolid became a powerhouse of features.

Although not open-source, here's an impressive list of specs for inspiration:


  • Integrated type-C USB hub
  • QMK and ZMK support. This board has 3 MCUs. The main PCB runs on a RP2040, the trackpoint controller runs on an STM32F411. In addition, the bottom plate houses a Holyiot 181010 BLE module.
  • Metal ball tact switches for additional (stylish) control (3 up top, 2 on the 2u bottom cluster).
  • There are three choices for battery mounting, PH, SH, or good old through hole mounts.
  • Support for EC11-type and roller encoders.
  • Rocker switches on both sides for additional control/keys for minimal footprint. "I map mine to increase/decrease trackpad and trackpoint DPI on the go."
  • Cirque 35 mm trackpad
  • SK8707 trackpoint
  • Super nice RGB OLED
  • Support for Adafruit Sharp Memory display for wireless use.
  • Per key RGB and underglow support (both for ZMK and QMK). For ZMK, the RGB is on a separate power domain so you can turn it off without turning the screen off.
  • Haptic feedback
  • Choice of either i2c or SPI eeprom.
  • Aluminum plates

The guys are up to design an aluminium case and to improve spacing.

More photos in the original Reddit post.

And yet some more photos here.

Published on Mon 6th Jun 2022. Featured in KBD #81 (source).

Did you like reading this post?

Donate to keep this project alive


Laptop replacement keyboard

A tented laptop replacement keyboard by kevinfrei.

Kinesis Essential rebuild with Bluetooth

This Kinesis Essential has been turned into wireless by sczizzo. Lot's of useful info in the thread.


ErgoChoco is a well-documented open-source pseudosplit build by Choco617.

Low profile barobord

The low profile version of sadekbaroudi's barobord was added to the repo.

Go for launch

Go for launch by SouthPawEngineer.

Sesame by kb-elmo

A Sesame designed by _vastrox_/elmo and built by kmrnewworkplace.