Keyboards

CalciumNitride Arabica3/7

A DIY split keyboard with 3x6 column-staggered keys, one pinky key and three thumb keys, built on a Pro Micro and supported in QMK.

Some specs could not be matched to a source · Last verified: 2026-10-18

CalciumNitride Arabica3/7
Image: © CalciumNitride (Manufacturer image)
Key layout
Image: QMK Firmware (Generated from QMK data (GPL-2.0))
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Where to buy

No US retailer found yet. Official site

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Pros

  • Column-staggered layout with three thumb keys
  • Included in the official QMK firmware repository
  • PCB and case data are published

Cons

  • DIY build that requires assembly
  • No hotswap, tenting or wireless support is stated

Specs

SplitSplit
StaggerColumnar
TentingNone
KeywellNo
Thumb clusterYes
Keys—
LayoutsCustom
SwitchesMechanical
Hot-swapNo
FirmwareQMK
DIY kitYes
ConnectivityUSB
OSwindows, macos, linux
Released—
Sources
AD · detail-mid

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