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2 layers135.3 × 87.6 mmKrylo, the printed circuit board in 3D

krylo is 32 keys column-staggered split keyboard with pinky length awarenes

Size
135.3 × 87.6 mm
Copper layers
2
Thickness
1.6 mm
Parts
52
Nets
43
Pads
310
Tracks, vias
542, 35
Pours
1
Routed
Yes
KiCad
KiCad 10.0 (file 20260206)
Created
12 Jun 2026
Updated
30 Aug 2026

Overview

Krylo is an open-source printed circuit board by rawrex, from the rawrex/krylo repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 135.3 × 87.6 mm with 52 parts on 43 nets, routed with 542 tracks and 35 vias.

It is built around the MSK12C02. Its parts include 16 diodes, 16 switches and 1 IC. It belongs with the keyboards and input boards and the nRF52 and nRF5x boards of this library.

Main components

1

README

README.md

krylo split keyboard

Krylo ("wing" in Russian) is a 32 key column-staggered split keyboard running ZMK

Core ideas that motivated the project:

  • (My) pinky moves to the side better than it reaches forward to the upper row.
  • (My) index finger is also able to move to the side, but it is not comfortable to move to the side and down.
  • Single PCB symmetrical definition for both sides of the split.

Parts

52
QtyValueFootprintReferences
16D_SOD123krylo:D_SOD123D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15, D16
16Switchkrylo:SwitchSW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8, SW9, SW10, SW11, SW12, SW13, SW14, SW15, SW16
10Jumperkrylo:JumperJP1, JP2, JP3, JP4, JP5, JP6, JP7, JP8, JP9, JP10
4SMTSO2020MTJ_M2krylo:MountH1, H2, H3, H4
1krylo:artwork
1Infokrylo:InfoINFO
1MSK12C02krylo:MSK12C02SW_PWR1
1Molexkrylo:MOLEX_CBT1
1RESET_SWkrylo:ResetSWRESET1
1nice_nanokrylo:nice_nanoU1

Questions

How big is the Krylo PCB?

It measures 135.3 × 87.6 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Krylo use?

52 parts, built around the MSK12C02. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Krylo KiCad files?

From the rawrex/krylo repository on GitHub, at the commit this page was made from: the board is PCB/krylo.kicad_pcb and its schematic PCB/krylo.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Krylo design in my own project?

Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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