Copper Top

PCB top plate with copper exposed

• 1.6mm PCB from EasyEDA.com
• White solder mask
• 14mm square cutouts for switches
• Gateron yellow switches
• FourtyTwo PCB

The white solder mask was sanded off to expose the copper layer. The copper has started to patina.

Copper top very easy to scratch.

Brass spacers and screws.

Compared to a top with the white solder mask.