Keyboard Builders' Digest
Redeem $5 at PCBWay! Code: KBDNEWS [all coupons]
Keyboard Builders' Digest / Projects

The btrfld

u/SolidusHal's btrfld is a quite unique foldable, low profile, tenting keyboard.

KBD.news
Published April 27, 2022

Pronounced "butter-fold", btrfld is the foldable, portable sibling of SolidusHal's btrfly keyboard introduced almost exactly a year ago.

This is a handwired prototype but the STLs are published.

Folding mechanism

The keyboard features a carefully crafted and pretty unique folding mechanism for better portability:

Pic: The btrfld's tenting mechanism

The btrfld's tenting mechanism

Features

  • folds flat for portability
  • ortho-ish layout
  • 5-key dactyl-manuform-mini thumb cluster
  • low-pro, flat, tented qwerty keys
  • 6 extra mappable keys
  • Bluetooth (optional)

GitHub repo with more photos: https://github.com/SolidHal/btrfld

Published on Wed 27th Apr 2022. Featured in KBD #76 (source).


Did you like reading this post?

Donate to keep this project alive


Related

Zaphod in the acrylic plate case

Zaphod by petejohanson in the acrylic plate case.

Lyra and SuperLyra

The Lyra and SuperLyra, a split and a pseudosplit with numpad in the center, are two open-source designs by Malevolti.

Unikey KB-7001

A Unikey KB-7001 made by PC concepts found by DarthDangles25.

Tipper-TF

Weteor's 34-key Tipper-TF is a split unibody BLE keyboard with splay and e-ink display.

Split typewriter

Rheinmetall Portable Ergonomic Typewriter from ~1935. Posted by hardboiledbabylon (r/mk).

Arachnophobe

Sadek Baroudi's Arachnophobe is a 30-key choc/mx monoblock split using any Seeed XIAO controller.

×