40 percent

6 boards

KiCad boards from 5 GitHub repositories tagged “40-percent”, the most starred first; open any of them in PCBKit.

2 layers248.3 × 99.8 mm
Litl
mohoyt/litl
Litl is an easy to build 40% keyboard using only through hole components.
105 parts75
2 layers303 × 104.5 mm
42
nglgzz/42
42 keys ergonomic keyboard
85 parts41MIT
2 layers258.3 × 196 mm
Snackymini keyboard
huytd/snackymini-keyboard
Snackymini Keyboard
92 parts32
2 layers150.6 × 89.6 mm
Keyther
MagoSaronno/keyther
Keyther derives from the Cantor Classic keyboard, replacing TRRS with RJ45 (Ethernet), adding hotswappable sockets and slightly increasing switches' horizontal spacing
24 parts6GPL-3.0
2 layers229.5 × 77.5 mm
1 proto
gdwrd/spaceZERO
spaceZERO - A 48-key ortholinear keyboard PCB
108 parts4
2 layers150.6 × 89.6 mm
Keyther
MagoSaronno/keyther
Keyther derives from the Cantor Classic keyboard, replacing TRRS with RJ45 (Ethernet), adding hotswappable sockets and slightly increasing switches' horizontal spacing
23 parts6GPL-3.0

Litl