Keyboard Builders' Digest / Projects
Chrumm 1.0
Severin Meyer published Chrumm, a gorgeous unibody split with flexible PCB and fixed tenting.
Published October 6, 2023
This free blog runs thanks to just 54 supporters - like Cyboard, Dylan Ingham, and @keebio. Join them now!
Severin Meyer aka sevmeyer/summific shared all the design files of the this cool DIY keyboard project: [x|Chrumm] is a mouth-watering unibody split with built-in tenting.
Chrumm is an open-hardware ergonomic keyboard, made of a 3D-printable body, a bendable PCB, and custom firmware for the Raspberry Pi Pico – sevmeyer.
Specs
- 64 keys (60-70)
- MX, soldered
- reversible, flexible PCB with break-off outer column
- encoder
- Raspberry Pi Pico controller
- custom firmware written in C
Build stats
- Printer: Prusa Mini+
- Total print time: 35h
- Total filament: 300g PLA
- Filament for supports: 9g (3%)
- Flubs and blunders: Various
- Switches: 64x Kailh Fried Egg (silent linear)
- Keycaps: Akko WOB Building Blocks (MDA profile)
The palm rests are part of the build. They consist of 3D printed shells, with artificial leather glued on top. The shells have a groove to neatly tuck in the leather on the side. More info on this on GitHub.
Yay, and kbd.news is credited in the repo. Thanks!
Resources
Published on Fri 6th Oct 2023. Featured in KBD #138.
Related
Batreeq
Batreeq: A 30-key pseudosplit keyboard by AlSaMoMo – with a trackball and scroll ring.
Mantaray
A Voyager-inspired budget unibody split: Mantaray by Colton Hawkins.
Skywatch
Skywatch is a nice orthoish monoblock split by Özkan Çelik.
Pi5 case with cover
The angled ortho Pi5 keyboard by ihihbs has no a MCU cover and a case.