• I think I can used flexible PCB to build my Pomodoro Ring.

./20161130-1105-cet-example-of-flexible-pcb-1.png

./20161130-1105-cet-example-of-flexible-pcb-2.png

./20161130-1105-cet-example-of-flexible-pcb-3.png

./20161130-1105-cet-example-of-flexible-pcb-4.png