When I came across that video last year I sent an email to the creator, but never got a reply. I made some of my own edge-notched cards using a computer-contro

When I came across that video last year I sent an email to the creator, but never got a reply. I made some of my own edge-notched cards using a computer-controlled stencil cutter. Here are some pictures - https://twitter.com/nathanbroon/status/750465911241502721 https://twitter.com/nathanbroon/status/750465911241502721 . I had the idea to present it at a Chaos Communication Congress. Then life (a.k.a having kids) intervened.