Lasercut

PCB and case for an "iso" 72 key mechanical keyboard

Layout

http://www.keyboard-layout-editor.com/#/gists/ba62eb48125304c6f380ac636846d038

Case

The case is a sandwich style. The plates can be rendered at http://builder.swillkb.com/ which is based on https://github.com/swill/kad.

in the case folder you will find a small go app(source) that can achive the same.

prerequisite:

brew install inkscape pstoedit

render:

cd case
go run main.go

This will render svg, eps and dxf files. These can be used with any CAD software.

You will need the following plates:

• 1x switch plate in 1.5mm
• 1x closed with magnets inserts in 3mm (not automatically rendered!!)
• 2x closed in 3mm
• 1x switch in 1.5mm
• 1x open in 3mm
• 1x bottom in 1-3mm

Example render in fusion with stainless steel and brass

PCB

Board edge

add the generated ./case/Lasercut_bottom.dxf to the board and position:

x: 23.0
y: 19.94769

TODO: mounting holes

Netlist

prerequisite:

• kle2netlist installed, see https://github.com/lad1337/kle2netlist this will create a netlist from the kle json
• kicad-kbplacer kicad plugin installed, see https://github.com/lad1337/kicad-kbplacer this is a plugin that will place the swiches to the right place as well as create some tracks
• node and npm install @ijprest/kle-serial --save this is needed for converting the kle json to its internal format

Steps:

• run: make netlist

• import the netlist into pcbnew

• run the kicad-kbplacer plugin

• rearrage the controller

  x: 335.4
  y: 72.6
  roation: 180
  

• finish all the other tracks