There has been a trend of using PCB to make rulers for a long time. It's cheap, you can customize the message/graphics, it looks techy, and people love to colle

There has been a trend of using PCB to make rulers for a long time. It's cheap, you can customize the message/graphics, it looks techy, and people love to collect them. I have a Digirule and a Digirule 2a. They scratch many itches...neat gadget goblin, vintage computing goblin, buttons and flashy lights goblin, fidget goblin.