The PCB is made with KiCad, version 7.
The PCB is reversible. It covers half of the keyboard, and is flipped over for the other half. It is intended to slightly bend between the pinky and ring finger, therefore the board thickness should not exceed 0.8mm.
All connections are through-hole (or castelated), so that they can be soldered with basic hobby equipment. The switch pin holes are implemented as slots, to provide a snug fit for the flat pins, and thus minimize the required amount of solder.
The teardrops are generated with a custom KiCad plugin, using the following settings:
PTH arc radius: 250%
SMD arc radius: 250%
Via arc radius: 350%
I ordered the prototypes from PCBWay (no affiliation). Other manufacturers are available, check for example PCBShopper or Manufacturing Reports. Here are some of the relevant specifications, use them at your own discretion:
- Standard PCB (not flex)
- Single pieces (not panelized)
- Layers: 2
- Material: FR4 TG 150-160
- Thickness: 0.8mm (at most)
- Surface finish: HASL (lead free)
- Copper thickness: 1oz